... .Color:white Product Name: Single Nylon pulley wheel PU-55/08-30, Black U Groove Wheel (Sport equipment roller, Machine equipment ... , Fitness equipment roller)Product Descriptions: 1. Item No.: PU-55/08-302. Material: POM3. Color: White4. Specification: Wheel material POM (PA ... and Outer export carton 5. Main Markets: America, France, Canada, korea 6. Supply Ability: 10,000 pcs per week Our Factory ...