Features • Precision Linear Motion: Experience smooth, low-friction movement with the LM8UU Linear Bearing Kit, ensuring enhanced performance for your 3D printer projects • Durable Construction: Made from aluminum, stainless steel, and brass, this extruder kit is designed for longevity and corrosion resistance, providing reliable printing • Comprehensive Compatibility: Ideal for VORON 2.2 / 2.4 and Ender 3 CR10 series printers, this set is a perfect replacement for older components, ensuring seamless upgrades • Effortless Installation: The Motor Shaft Coupler Kit and included wrenches streamline setup, saving you time and effort in finding additional parts for your 3D printer • High-Quality Components: With optical grade film and robust pulleys, this kit offers excellent wear resistance and high-temperature performance for extended use in demanding tasks Features: 1、It is generally used on 3D printers, and these bearings have proven to be long lasting and provide precise low friction linear movement 2、Used for the design of linear motion products, and it is very convenient to use GT2 pulley and GT2 belt together 3、The motor shaft coupler provides an extremely tight grip, and 20 teeth contact with the belt, which can minimize the belt slippage 4、The aluminum alloy pulley has high quality shiny appearance and robust construction 5、The kit is relatively complete, including different types of couplings, belts, pulleys and wrenches, which can save you the time to find additional parts Specification: Item Type: LM8UU Linear Bearing Kit Material: Stainless Steel + Aluminum Alloy Specification: 12 x LM8UU 4 x 608ZZ 1 x 624ZZ 2 x 5 * 8 Coupling 1 x GT2 Belt 2 x 20-Tooth Aluminum Alloy Synchronous Pulley 1 x Hex Wrench For i3 3D Printer Package List: 12 x LM8UU 4 x 608ZZ 1 x 624ZZ 2 x 5 * 8 Coupling 1 x GT2 Belt 2 x Pulley 1 x Hex Wrench Package List 12 x LM8UU 4 x 608ZZ 1 x 624ZZ 2 x 5 * 8 Coupling 1 x GT2 Belt 2 x Pulley 1 x Hex Wrench