12 Pcs Idler Pulley Wheels for 3D Printers - Transparent Plastic Passive Bearing Wheels, Replacement Pulley Set for Smooth Printing - Perfect for DIY 3D Printer Maintenance and Repairs

Feature:1. The roller can greatly increase the lubrication performance on the guide rail.2. Perfectly fit the guide rail, the product has high hardness, which can increase the service life on the guide rail.3. Made of high-quality materials, strong and durable, has a long service life.4. With great workmanship, this wheel can perfect replacement for the old one.5. With 12pcs wheel, can meet your use and replacement needs, very practically.Specification:Item Type: Idler Pulley WheelModel: Idler large wheelInner Aperture: Approx. 5mm / 0.2in Package List:12 x Wheel

The roller can greatly increase the lubrication performance on the guide rail.

Perfectly fit the guide rail, the product has high hardness, which can increase the service life on the guide rail.

Made of high-quality materials, strong and durable, has a long service life.

With great workmanship, this wheel can perfect replacement for the old one.

With 12pcs wheel, can meet your use and replacement needs, very practically.