We are offering nylon caster wheels, poly amide caster with anti winding cover, nylon caster wheels swivel polyamide casters material:poly-amide size:option:75mm x 30mm, 100mm x 32mm, 125mm x 37mm , 152 x 40mm, 200mm x 50mm loading:70kg~280kg type: swivel caster, fixed casters acmore...