Features: 100% brand new and high quality. Made of sturdy metal, the spindle is durable and has good performance. Spindle is processed with grinding machine for high precision of 0.005mm. Great part to DIY drill press, table grinder, table saws and so on. Specifications: Material :Bearing Steel Model: ZJZ01012 Rated Speed: 7000rpm Max. Speed Temperature Rise: 60 Dynamic Balance: 0.1mg Max. Speed Noise: 2db Cone Hole Runout: 0.001mm Precision: 0.005mm Chuck Capacity: JTO:0.3-4mm B10:0.6-6mm B12:1.5-10mm B16:1.5-13mm Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 * Connecting Rod 1 * XL20T 10mm Hole Synchronization Wheel 1 * 10mm Hole Slider (including 2 bearings) 1 * Drill Chuck 1 * Synchronous Wheel Wrench 1 * Drill Clamp Key