Most roller guides are fitted with brass rollers. The assemblies are rustproofed by electrozinc galvanizing. Fit two guides per door. Always specify channel type when ordering guides (eg 104P/97).
No. 126 Ground Stay Rollers
Provides clear threshold
Fit No. 128 shoe guide with center stop on bi-parting doors.
Galv. steel.
No. 126HD/A Ground Stay Rollers
Provides clear threshold
Nylon Rollers, covered by shields to prevent traffic damage.