Primeline Tools Guide, 3 3/4 in W, 2 1/2 in L, Silver N 6544

Steel base; fits Acme and Cox doors. 1/4 in W nylon wheel with 7/16 in OD x 1-1/2 in H steel base self-adjusts from 1-7/8 to 2-1/2 in in track for smooth guiding of lead door. For 1 to 1-3/8 in thick bi-fold doors up to 30 lb each. Spring-loaded steel base Spring-loaded steel base Self-adjusting for smooth guidance of lead door

Used by a variety of bi-fold door manufacturers Used on bi-fold doors up to 30 lbs. each 7/8 in. diameter roller Steel base and nylon roller