#滚轮 (2)

Linear Guide Carriage - Redi-Rail RRS30A-5 w/ 5 Steel Roller Bearings - Width: 30mm

滑架Redi-Rail碳钢滚轮

Linear Guide Carriage - Redi-Rail RRS14PW w/ 3 Roller Bearings of Stainless Steel, Oil Filled Plastic Wipers, Width: 1.33"

滑架Redi-Rail不锈钢滚轮