Check the listing for details. U Groove Wheel 304 Stainless Steel 2.7" Dia Loading 2000lbs Width 0.87". Condition: New. Listed at 37.60 USD. Durable Material: To ensure practicality at work, the Groove Wheel Pulley is made of durable and sturdy 304 Stainless Steel, which is anti-rust, corrosion resistant, abrasion resistant, strong structure, and high hardness.Maximum Loading Capacity: 2000lbs(900kg), wheel diameter: 68mm(2.7"). Groove width: 22mm(0.87"). Total size: 68x48x82mm/2.7"x1.9"x3.2" (L*W*H). Package contains 1 pc U-type pulley block roller.Duplex Bearing Pulley Wheel: The track wheel pulley is designed with double bearings, and the surface has been polished to a very smooth finish. This helps the pulley to run more smoothly and quietly and prevents excessive friction from damaging the rope.Easy to Install: Drill a hole in the wall or the gate, and insert the expansion tube into the holes. Finally, fix the rigid caster with adopts self-locking screw.