4Pcs Hexagonal Quick Coupling 50mm Keyless Drill Chuck Screwdriver Impact Driver Adaptor Accessories

: 1/4 inch Hex This quick-change connector is non-magnetic has a built-in stable lock and high-efficiency spring and has concentricity. size:About 50mm long Material:alloy steel colour:Black+Gold+Silver Package Contents: 4 * Hexagonal Quick Coupling Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.