DescriptionThis item is manufactured with premium material for durable and long-lasting use. It's easy to use and install with long service life. The precise design will ensure its practicability in the work of highly performance.Features- for durable and long-lasting use. - Most ergonimic designs with impeccable craftsmanship. - Easy to use. Super practical accessory for 3D printers. - Use for GT2 6mm Wide Timing Belt Toothless timing blet pulley, use with 16T 3mm bore idler pulley Bore - Widely used in milling machine, gear shaper, drilling machine, CNC engine lathe, hobbing machine or other machinery transmission occasionsSpecifications- Color: Silver - Material: Aluminum. - Diameter: 3mm - Bore Diameter: 3mm - Net Weight: 3g/pcs - Material: Aluminum - Package Included: 5xGT2 Toothless Timing Belt Pulley