Specifications:Made of metal, high quality, durable, long service life, can be used repeatedly.The rotation is smooth and without phase grinding, and the accuracy is good.DIY bench drill, bench mill, table saw and so on.Can be used to make bench drills, bench mills, table saws, etc.Type: Drill ChuckMaterial: MetalCutting Capacity: No Power SpindleCutting Depth: 10mm/0.4" (Approx.)No-load Speed: 10000RPMConnecting Rod Diameter: 10mm/0.4" (Approx.)Features: Drill Chuck, DIY Woodworking, No Power Spindle, CuttingSize: Total Length of Connecting Rod:JTO: 106mm/4.2" (Approx.)B10: 112mm/4.4" (Approx.)B12: 114mm/4.5" (Approx.)B16: 120mm/4.7" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.JTO Package Includes:1 x Drill Chuck Connecting Rod1 x XL20T 10mm Hole Synchronous Wheel1 x 10mm Hole Slide Block (Including 2 Bearings)1 x 0.3-4mm JTO Drill Chuck1 x M10 BushingB10 Package Includes:1 x Drill Chuck Connecting Rod1 x XL20T 10mm Hole Synchronous Wheel1 x 10mm Hole Slide Block (Including 2 Bearings)1 x 0.6-6mm B10 Drill Chuck1 x M10 BushingB12 Package Includes:1 x Drill Chuck Connecting Rod1 x XL20T 10mm Hole Synchronous Wheel1 x 10mm Hole Slide Block (Including 2 Bearings)1 x 1.5-10mm B12 Drill Chuck1 x M10 BushingB16 Package Includes:1 x Drill Chuck Connecting Rod1 x XL20T 10mm Hole Synchronous Wheel1 x 10mm Hole Slide Block (Including 2 Bearings)1 x 1.5-13mm B16 Drill Chuck1 x M10 Bushing