31 Jul 3 Inch Stem Casters Swivel Stem Mount Industrial Castors with Imperial Size Thre
Heavy duty: Up to 900 lbs loading capacity for 4 wheels(300 lbs per casters and counting of 3). Caster Type: Screw Stem Casters. Standard Imperial Size Threaded Diamater: 3/8"-16X1". Double ball bearing swivel head;....