Description: Reversible 3.5 Inch Wood Turning Chuck 1-Inch x 8TPI Thread Wood Lathe Chuck Accessory Jaws Wood Lathe Turning Tool Specification: 3.5 Inch Wood Turning Chuck Material: Precision machined 1045 high tensile steel Chuck Diameter: 3.5 Inch Connect Thread: 1" x 8TPI thread 1. The wood turning chuck system can sovle all your wood turning problems, provide a variety of solutions. 2. The reversible wood turning chuck is a four jaw, self-centering, geared chuck exclusively designed for the wood turning lathe. 3. It comes with a Reverse Lock feature that enables the chuck to be locked securely onto the lathe spindle when using the forward and reverse functions on the lathe. 4. It has a dedicated 1" x 8TPI thread and is able to be used with any lathe that fits those specifications. 5. This chuck comes standard with the unique features such as Auto Stop, Copper composite Jaw Slides, Woodworm Screw, Comfortable T Bar Handle, and 2" Jaws as standard. 6. Powerful Tuff Lock gearing with precise, hardened action delivers incredibly smooth strength for a solid, vibration free performance. 7. Provide a variety of matching chuck accessory jaws, solve all your clamping problems. Features: The four jaw design firmly grips both round and square wood. Special woodturning dovetail profile on jaws. Safe Lock Woodworm screw included for fast mounting of rough timbers. Auto safety stop feature-jaw slides can't protrude past the chuck body. Jaw slides made from high-tech copper fused steel for maximum hardness, wear, and self-lubricating properties. Up to 400mm/16" diameter swing capacity. Chuck Accessory Jaw Item Type #1 3.5 Inch Chuck #2 6028 Short pin jaw #3 6024 Step jaw #4 10028 Heightening jaw #5 10038-gap jaw #6 62317 Pizza jaw #7 6016 Proboscis jaw #8 10031 Increase pizza jaw Clamping Back strut Min.(mm) Max.(mm) Min.(mm) Max.(mm) / 8 29 25 46 9 31 27(37) 49(59) 42 64 52 74 58 77 70 89 78 100 96 118 44 61 54 71 107 126 127 146 Fit All Chucks Package Included: 1 x 3.5 Inch Lathe Chuck(come with woodworm screw, comfortable T bar handle, and 2" jaws as standard) or 1 x Jaw