Heavy Duty Drill Chuck]Clamping Range: 3-16mm; Accuracy: 0.005",Chuck Mount : B18. This Chuck mount into the headstock or tailstock of any lathe that accepts #2MT accessories. Woodworking Tool Kits]You have a One-stop Shopping here to buy a drill chuck tool kits Includes 1/32" - 5/8" Drill Chuck(JT6) , One Mose taper Arbors (JT6-MT2), Jaw Tightening Key Material]Made of alloy steel material,good resisting and rust protection ,serves a long-term time. Application]Great for holding drill bits, small turnings, dowels, pen mandrel shafts, and much more. Tightens with a chuck key for an excellent grip and removes easily with a bar Portable Drill Guide Color: As Shown Material: Metal Package Contents: 1*Portable Drill Guide Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.