BK Resources 5SBR-RA-PLY-TLB 5" Swivel Stem Caster w/ Brake, 300lbs

Caster, 5" diameter expanding stem, Fits 1-5/8" OD tubing, top lock brake, non-marking polyurethane tread, 300 lb. capacity, resistant to acids & caustics, double ball bearing, operational temp range -45 to 180 F, zinc plated, NSF