The Black rubber Self-locking Plunger-type Movable Casters  

Wheel material: Black rubber tread + plastic wheel core, Black Rubber Wheel with excellent elasticity and wear resistance, good aging resistance, excellent low temperature resistance, low heat generation under dynamic load, Caster Wheels Amazon suitable for electrical equipment industry, trolley industry , toolbox, etc. Tread hardness: 85 (±5) SHORE A Temperature range: -40~80°C" Wheel diameter: 3"-5" Load: 40-75kg Self-locking plunger type movable casters, pressing the rigid wheel frame, axle. Wheel Material: black rubber caster with PP core Bearing: wheel axle Housing: Housing made of pressed steel, zinc plating, swivel bolt with circlip caster.