To compliment our extensive line of woodturning lathes, Jet is introducing a nickel plated chuck with 5 unique sets of jaws, to keep projects securely on your lathe. Inside the custom Jet molded case you will find:1x Nickel Plated Chuck 1 in. X 8TPI,1 mm x 190 mm Nickel Plated Face Plate with 16 Grip studs,1x Nickel Plated Pin jaws (inside grip range 5 mm to 43 mm, outside grip range 22 mm to 60 mm),1x #1 Round jaws (inside grip range 38 mm to 73 mm, outside grip range 48 mm to 87 mm),1x #2 Round jaws (inside grip range 66 mm to 100 mm, outside grip range 77 mm to 117 mm),1x Internal/external step jaws (inside grip range 8 mm to 43 mm, outside grip range 20 mm to 78 mm),2x Woodworm screw (1/2 in. &3/8 in. ) 1x T-handle,1 mm x 100 mm Hex wrench. The Jet Chuck Set (719900) fits Jet models JWL-1015, JWL-1221, JWL1440 or any lathe with a 1 in. x 8TPI Spindle Thread. To fit to Jet JWL-1640 and JWL-1840 (or any 1-1/4 in. in. spindle thread) use the Jet Lathe Chuck Adaptor (719903).