Attach this lathe chuck to the tail stock of the 7" x 10" precision mini lathe for all drilling applications. The lathe chuck won't slip and is ideal for hobby work and light duty work in the shop or garage. Capacity: 5/64'' to 1/2'' Mounting holes: Jacobs taper #33 Mandrel taper: MT2 Mandrel material: 1010 low carbon steel Shank length: 3 1/8" Key Included No bit slippage