WINSINN GT2 Idler Pulley 20 Toothless 3mm Bore 6mm Width Timing Pulley Wheel Aluminum for 3D Printer (Pack of 5Pcs) Description ►Material: High quality Aluminum ►Teeth Type: 20 Toothless ►Bore: 3mm ►NIdler Pulley bearings: Double Motor-grade bearings ►Suitable for 6mm Width Timing Belt ------------------------------------------------------------------------- -------------------------------------- Package include: ►5 x Idler Pulley Product Warranty: -WINSINN are devoted to offer premium quality products to all cherished customers. Meanwhile supply 60 days money back guarantee and 24 months warranty. -If there are any questions, please feel free to contact us, WINSINN Customer Service Team will spare no efforts to assist with you within 24 hours. Features: Material: High quality Aluminum, Adopt surface oxidation treatment, anti-Rust and Anti-corrosion effectively Teeth Type: Toothless , Bore 3mm Double bearings: Use High-quality Motor-grade bearings to ensure that the machine is works good. Suitable for 6mm Width Timing Belt Made by WINSINN Product Details: Is Discontinued By Manufacturer ‏ : ‎ No Package Dimensions ‏ : ‎ 4.65 x 2.87 x 0.43 inches; 0.78 Ounces Date First Available ‏ : ‎ March 25, 2018 Manufacturer ‏ : ‎ WINSINN Technology Ltd Best Sellers Rank: #8,863 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #3 in Mechanical Timing Pulleys #3 in Mechanical Timing Pulleys Customer Reviews: 4.6 4.6 out of 5 stars 636 ratings