MEIGGTOOL 2PCS 1/2" to 1/4" Router Collett Adapter Bit Shank Reduction Sleeve Tools for Woodworking Engaving Machine

Size: For turning mechanica wood carving milling chuck connector form1/2" to 1 /4", Lnner Diameter is 6.35mm/0.25", Outer Diameter is 12.7mm/0.5"., Material: Adopt high quality carbide material, suitable for long-term use, With High strength, good toughness, strong shock resistance., High precision: Metal die was made with a precision machine tool to control thickness and stable clamping, good to operate and improve work efficiency., Easy to apply: just insert it into the clamp head and tighten it as usual., Scope of application: Ideal collet or chuck conversion, Fits for woodworking engraving machine, CNC.