Item Type: Flexible Shaft Extension_x005F_x000D_Material: ABS_x005F_x000D_Clamping Range: Approx. 3mm / 0.12in_x005F_x000D_Connector Diameter Specification: Approx. 6mm / 0.24in 1Good Extension: This shaft extension adapter will largely simplify your working and operation with more flexible movement. 2Stable Working: The shaft joint has high concentricity, which ensures great accuracy, stability and safety without shaking. 3Broad Matching: Applicable for most power tools, grinders, engraving machines, mini drills, polishing machines and so on. 4Safer Clamping: 3mm clamping range with a sturdy structure and premium ABS material enables secure fixing and durability. 5Easy to Install: Comes with a compact size and a light weight, the drill shaft extension has 6mm connector for installation. 1 x Flexible Shaft Extension 1 x Hex Wrench