Set 10 ròng rọc kim loại với hai bánh xe nhựa cho cửa trượt

Made of iron and plastic, with bearings inside it, move smoothly and durable. Suitable for your wardrobe, bookcase, glass cabinet and other office furniture. Colour:Sier Material:plastic Size:Length: 65mm Package Contents: 10x Pulley BlocksOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.