BK Resources 4SBR-4RA-PLY-TLB Swivel Caster 2" Expanding Stem 4" Polyurethane Wheel

BK Resources, 4SBR-4RA-PLY-TLB, Swivel Caster, 2" expanding stem, 4" polyurethane wheel, top lock brake, 300 lb. capacity, fits 2"W OD tubing, resistant to acids and caustics, double ball bearing, operational temp range -45º to 180ºF, zinc plated steel