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Office Chair Caster Stem Glide Foot
Fixed glide foot that drops into an office chair base in place of a rolling caster, for the standard 7/16 in x 7/8 in (11 x 22 mm) grip-ring stem socket; the 10.2 mm stem carries four crush ribs to 11.4 mm so it presses tight into 11.0–11.3 mm sockets (not 10 mm Euro stems). The 50 mm diameter, 14 mm tall pocketed foot has a flat bottom for a stick-on felt pad and a 36 mm overall height; print five to stop a chair rolling on hard floors.
Office Chair Caster Socket Repair Sleeve
This sleeve repairs a cracked caster socket on an office chair base. Drill the split socket out to 16 mm (5/8 in), then epoxy the sleeve in place. The 11.2 mm bore takes the common 11 x 22 mm grip-ring caster stem, and the 28 mm tube is longer than that stem. A 32 mm washer flange spreads the load across the underside of the leg. Three V-grooves hold the epoxy.
Office Chair Caster Parking Cup
This is an 80 mm dished floor cup that stops an office chair caster from rolling. It holds single or twin-wheel casters from 50 to 65 mm across and up to 26 mm wide in a 9 mm-deep bowl, so the chair stays put on hard floors at a desk or standing desk and the floor doesn't get scuffed. The body is 12 mm tall, the floor is 3 mm thick, and the rim is flat and sloped so a wheel rolls in with a nudge but won't roll out by itself.