Master Lock BA Residential Grade 3 Ball Door Knob Set

  • BAO0303MK

    $14.85 50% Off

    Function
    Privacy
    Finish
    Polished Brass
    Keying
    Master Keyed
  • BAO0415KA

    $14.03 50% Off

    Function
    Passage
    Finish
    Satin Nickel
    Keying
    Keyed Alike
  • BAO0303MKS

    $14.85 50% Off

    Function
    Privacy
    Finish
    Polished Brass
    Keying
    Master Keyed
    Keyway
    Schlage
  • BAO0303MKW

    $14.85 50% Off

    Function
    Privacy
    Finish
    Polished Brass
    Keying
    Master Keyed
    Keyway
    Weiser
  • BAO0303MKWK

    $14.85 50% Off

    Function
    Privacy
    Finish
    Polished Brass
    Keying
    Master Keyed
    Keyway
    Weslock
  • BAO0415KAS

    $14.03 50% Off

    Function
    Passage
    Finish
    Satin Nickel
    Keying
    Keyed Alike
    Keyway
    Schlage
  • BAO0303KAMK

    $15.55 50% Off

    Function
    Privacy
    Finish
    Polished Brass
    Keying
    Keyed Alike + Master Keyed
  • BAO0303KAMKS

    $15.55 50% Off

    Function
    Privacy
    Finish
    Polished Brass
    Keying
    Keyed Alike + Master Keyed
    Keyway
    Schlage
  • BAO0415KAW

    $14.03 50% Off

    Function
    Passage
    Finish
    Satin Nickel
    Keying
    Keyed Alike
    Keyway
    Weiser
  • BAO0303KAMKW

    $15.55 50% Off

    Function
    Privacy
    Finish
    Polished Brass
    Keying
    Keyed Alike + Master Keyed
    Keyway
    Weiser
  • BAO0303KAMKWK

    $15.55 50% Off

    Function
    Privacy
    Finish
    Polished Brass
    Keying
    Keyed Alike + Master Keyed
    Keyway
    Weslock
  • BAO0415KAWK

    $14.03 50% Off

    Function
    Passage
    Finish
    Satin Nickel
    Keying
    Keyed Alike
    Keyway
    Weslock
  • BAO0103TS

    $30.61 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Non-Keyed Function
    Keyway
    Schlage
  • BAO0103TW

    $30.61 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Non-Keyed Function
    Keyway
    Weiser
  • BAO0415MK

    $15.61 50% Off

    Function
    Passage
    Finish
    Satin Nickel
    Keying
    Master Keyed
  • BAO0103TWK

    $30.61 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Non-Keyed Function
    Keyway
    Weslock
  • BAO0103TKD

    $30.61 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Keyed Different
  • BAO0103TKDS

    $30.61 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Keyed Different
    Keyway
    Schlage
  • BAO0103TKDW

    $30.61 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Keyed Different
    Keyway
    Weiser
  • BAO0103TKDWK

    $30.61 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Keyed Different
    Keyway
    Weslock
  • BAO0415MKS

    $15.61 50% Off

    Function
    Passage
    Finish
    Satin Nickel
    Keying
    Master Keyed
    Keyway
    Schlage
  • BAO0103TKA

    $30.61 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Keyed Alike
  • BAO0103TKAS

    $30.61 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Keyed Alike
    Keyway
    Schlage
  • BAO0103TKAW

    $30.61 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Keyed Alike
    Keyway
    Weiser
  • BAO0415MKW

    $15.61 50% Off

    Function
    Passage
    Finish
    Satin Nickel
    Keying
    Master Keyed
    Keyway
    Weiser
  • BAO0103TKAWK

    $30.61 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Keyed Alike
    Keyway
    Weslock
  • BAO0103TMK

    $32.18 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Master Keyed
  • BAO0103TMKS

    $32.18 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Master Keyed
    Keyway
    Schlage
  • BAO0103TMKW

    $32.18 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Master Keyed
    Keyway
    Weiser
  • BAO0415MKWK

    $15.61 50% Off

    Function
    Passage
    Finish
    Satin Nickel
    Keying
    Master Keyed
    Keyway
    Weslock
  • BAO0103TMKWK

    $32.18 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Master Keyed
    Keyway
    Weslock
  • BAO0103TKAMK

    $32.88 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Keyed Alike + Master Keyed
  • BAO0103TKAMKS

    $32.88 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Keyed Alike + Master Keyed
    Keyway
    Schlage
  • BAO0103TKAMKW

    $32.88 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Keyed Alike + Master Keyed
    Keyway
    Weiser
  • BAO0415KAMK

    $16.31 50% Off

    Function
    Passage
    Finish
    Satin Nickel
    Keying
    Keyed Alike + Master Keyed
  • BAO0103TKAMKWK

    $32.88 50% Off

    Finish
    Polished Brass
    Function
    Keyed entry, Twin Set
    Keying
    Keyed Alike + Master Keyed
    Keyway
    Weslock
  • BAC0603S

    $29.35 50% Off

    Finish
    Polished Brass
    Function
    Single Cylinder Deadbolt Combo Pack
    Keying
    Non-Keyed Function
    Keyway
    Schlage
  • BAO0415KAMKS

    $16.31 50% Off

    Function
    Passage
    Finish
    Satin Nickel
    Keying
    Keyed Alike + Master Keyed
    Keyway
    Schlage
  • BAC0603W

    $29.35 50% Off

    Finish
    Polished Brass
    Function
    Single Cylinder Deadbolt Combo Pack
    Keying
    Non-Keyed Function
    Keyway
    Weiser
  • BAC0603WK

    $29.35 50% Off

    Finish
    Polished Brass
    Function
    Single Cylinder Deadbolt Combo Pack
    Keying
    Non-Keyed Function
    Keyway
    Weslock
  • BAC0603KD

    $29.35 50% Off

    Finish
    Polished Brass
    Function
    Single Cylinder Deadbolt Combo Pack
    Keying
    Keyed Different
  • BAO0415KAMKW

    $16.31 50% Off

    Function
    Passage
    Finish
    Satin Nickel
    Keying
    Keyed Alike + Master Keyed
    Keyway
    Weiser
  • BAC0603KDS

    $29.35 50% Off

    Finish
    Polished Brass
    Function
    Single Cylinder Deadbolt Combo Pack
    Keying
    Keyed Different
    Keyway
    Schlage
  • BAC0603KDW

    $29.35 50% Off

    Finish
    Polished Brass
    Function
    Single Cylinder Deadbolt Combo Pack
    Keying
    Keyed Different
    Keyway
    Weiser
  • BAC0603KDWK

    $29.35 50% Off

    Finish
    Polished Brass
    Function
    Single Cylinder Deadbolt Combo Pack
    Keying
    Keyed Different
    Keyway
    Weslock
  • BAC0603KA

    $29.35 50% Off

    Finish
    Polished Brass
    Function
    Single Cylinder Deadbolt Combo Pack
    Keying
    Keyed Alike
  • BAO0415KAMKWK

    $16.31 50% Off

    Function
    Passage
    Finish
    Satin Nickel
    Keying
    Keyed Alike + Master Keyed
    Keyway
    Weslock
  • BAC0603KAS

    $29.35 50% Off

    Finish
    Polished Brass
    Function
    Single Cylinder Deadbolt Combo Pack
    Keying
    Keyed Alike
    Keyway
    Schlage
  • BAC0603KAW

    $29.35 50% Off

    Finish
    Polished Brass
    Function
    Single Cylinder Deadbolt Combo Pack
    Keying
    Keyed Alike
    Keyway
    Weiser
  • BAC0603KAWK

    $29.35 50% Off

    Finish
    Polished Brass
    Function
    Single Cylinder Deadbolt Combo Pack
    Keying
    Keyed Alike
    Keyway
    Weslock
Showing 1 - 50 of 180 items

The Master Lock features a ball style knob with six-way adjustable latch to fit all doors with 2-3/8in or 2-3/4in backset, square, rounded corners, or drive-in. This knob offers ANSI Grade 3 performance for interior locking applications. The polished brass finish provides a sleek appearance. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.

Features

  • Six-way adjustable latch fits all doors: 2-3/8in (60mm) or 2-3/4in (70mm) backset, square, rounded corners, or drive-in
  • ANSI Grade 3 performance
  • For interior locking applications - Bedroom or Bathroom

Specifications

Backset
2-3/8" or 2-3/4"
BHMA Certification
Grade 3
Door Thickness
1-3/8" to 1-3/4"
Product Class
Residential
ANSI Certification
A156.2

Applications

  • Doors

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