Elastic Rubber Bolt Hole Movable Double Brake Casters

Bolt Hole Double Brake Casters Wheel material: elastic rubber tread + plastic wheel core, good electrical insulation, chemical resistance, impact elasticity, acid and alkali resistance, A Caster Wheelchair suitable for electrical equipment industry, a caster wheelchair, trolley industry, Caster Wheels Clamp, toolbox, etc. Hardness of tread: 70 (+5) Shore A Temperature: - 50/ +80 degree C Wheel Dia: 3 "-5" Load capacity: 70-135 kg Hole top type movable double brake casters, with dust ring, pressing rigid wheel frame, plastic roller bearing Wheel Material: Elastic rubber with PP core Housing made of pressed steel, Zinc plating Housing: Swivel bolt hole caster with total brake