Caster, Swivel with Brake, 5" (127 mm), Thermoplastic Polyurethane, 770 lbs. (349 kg.) Pneumatics-pro Inc. These tough and durable ladders

These tough and durable ladders feature welded steel construction with a durable enamel finish and perforated slip-resistant steel steps

Coating: Not Coated

Bonding of polyester parts on metal frames

Platform Height Lowered Wheels Included: 14 1/2"

100 ft-lbs of nut-busting torque

Caster, Swivel with Brake, 5" (127 mm), Thermoplastic Polyurethane, 770 lbs. (349 kg.) Pneumatics-pro Inc. These tough and durable laddersSpecifications Wheel Diameter 5" (127 mm) Capacity 770 lbs. (349 kg.) Wheel Material Thermoplastic Polyurethane Caster Type Swivel with Brake Frame Material Stainless Steel Tread Width 1 9 16" (40 mm) Bolt Hole Spacing 2 5 8" x 3 5 8" (67 mm x 92 mm) 3" x 3" (76 mm x 76 mm) Bolt Hole Size 3 8" (9. 52 mm) Plate Size 4" x 4 1 2" (102 mm x 114 mm) Tread & Tire Hardness 94 Shore A Bearing Type Ball Bearing Total Height 6 1 8"