Electric Grinder Accessories Three-claw Conversion Hexagonal Handle Rear Push Chuck Set $ 4.48 Product information: Series: Chuck Material: Alloy Handle specification: hexagonal handle (1/4-6.35mm) Material: aluminum alloy Clamping range: 0.3-6.5mm Specification: 71mm * 22mm Packing list: Hexagonal handle push back chuck X1pcsProduct Image: