4" x 2" Ductile Steel Wheel Swivel Caster Total Locking Brake - 1,250 Lbs Capacity rig-type-swivel-with-brake 3" x 1-1/4" Steel Wheel

3" x 1-1/4" Steel Wheel Caster with 1/2" Threaded Stem (1" Length) - 350 Lbs Cap

Weight: 18

one on each side of the wheel

This caster comes standard with ball bearing that allow the wheel to roll quite well

4" x 2" Ductile Steel Wheel Swivel Caster Total Locking Brake - 1,250 Lbs Capacity rig-type-swivel-with-brake 3" x 1-1/4" Steel Wheel4" x 2" Ductile Steel Wheel Swivel Caster Total Locking Brake Part # 146DUCT420SBTL Manufactured from a high strength steel alloy, ductile steel offers improved capacity, durability & impact resistance compared to standard cast iron wheels. Ductile steel provides approximately 45,000 PSI tensile strength & features a thicker tread, spokes & hubs to withstand abusive industrial applications. Its moderately crowned tread design further reduces friction