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 Chuck Material: Metal Cutting Capacity: No Power Spindle Cutting Depth: 10mm/0.4" (Approx.) No-load Speed: 10000RPM Connecting Rod Diameter: 10mm/0.4" (Approx.) Features: Drill Chuck, DIY Woodworking, No Power Spindle, Cutting Size: 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 items 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 Rod 1 x XL20T 10mm Hole Synchronous Wheel 1 x 10mm Hole Slide Block (Including 2 Bearings) 1 x 0.3-4mm JTO Drill Chuck 1 x M10 Bushing B10 Package Includes: 1 x Drill Chuck Connecting Rod 1 x XL20T 10mm Hole Synchronous Wheel 1 x 10mm Hole Slide Block (Including 2 Bearings) 1 x 0.6-6mm B10 Drill Chuck 1 x M10 Bushing B12 Package Includes: 1 x Drill Chuck Connecting Rod 1 x XL20T 10mm Hole Synchronous Wheel 1 x 10mm Hole Slide Block (Including 2 Bearings) 1 x 1.5-10mm B12 Drill Chuck 1 x M10 Bushing B16 Package Includes: 1 x Drill Chuck Connecting Rod 1 x XL20T 10mm Hole Synchronous Wheel 1 x 10mm Hole Slide Block (Including 2 Bearings) 1 x 1.5-13mm B16 Drill Chuck 1 x M10 Bushing