23 Series PU Square Socket Casters 

Wheel material: polyurethane (PU) tread + plastic wheel core, PU Square Socket Casters have good performance of wear resistance, chemical erosion resistance, high strength, high elasticity, low pressure resistance, shock absorption, tear resistance, radiation resistance, high load-bearing and shock absorption. Caster Wheels Kit is suitable for medical industry, electrical equipment industry, trolley industry, furniture industry, Caster Wheels Kitchen Chairs, toolbox, elevator wheel, etc. Wheel Dia: 5[ Load capacity: 60 kg Square plug elevator casters, pressed rigid wheel frame, galvanized, ball bearing Wheel Material: PU caster with PP core Housing made of pressed steel zinc plating Housing: Square solid plug caster Especialy for elevator cart

Middle Heavy Duty Casters With Rubber Wheels Furniture Casters