Features Good Extension: This shaft extension adapter will largely simplify your working and operation with more flexible movement. Stable Working: The shaft joint has high concentricity, which ensures great accuracy, stability and safety without shaking. Broad Matching: Applicable for most power tools, grinders, engraving machines, mini drills, polishing machines and so on. Safer Clamping: Firm clamping together with a sturdy structure and premium materials enables secure fixing and durability. Easy to Install: Comes with a compact size and a light weight, the drill shaft extension has 6mm connector for installation. Specification: Item Type: Flexible Shaft Adapter Handle Material: Rubber Package List: 1 x Flexible Rubber Shaft 1 x Hex Wrench 1 x Connector 1 x Accessory or 1 x Flexible Stainless Steel Shaft 1 x Hex Wrench 1 x Connector 1 x Accessory Package List 1 x Flexible Stainless Steel Shaft 1 x Hex Wrench 1 x Connector 1 x Accessory