light duty nylon casters for carts 1.material:pp/pu/pvc 2.color:red,black,gray ... :swivel,stem JY-402 light duty nylon casters for hand carts belongs to industrial casters in our company ,and our wheels ... plate ,brake or not ;9.usage:trolleys ,handling cart ,shopping carts and so on ;10.advantage:direct manufacturer ,good quality and ... export authority . JY-402 light duty nylon casters for hand carts