San Ou 1/2-20unf Metal Drill Chuck Quick Change Adapter 2-13mm Hole

1. Immediately change the impact driver to accommodate non-quick replacement drill bits and screwdriver bits.2. Tighten the keyless chuck by hand to easily replace the drill bit.3. Larger clamping force can effectively prevent the drill from loosening and is more reliable.4. for quick replacement of SDS-Plus/Hex/Square handle of electric hammer.5. Installation: 1/2-20UNF.Product Name: Hand-tight drill chuckModel: 13mm 1/2-20UNFClamping range: 2-13mmMaterial:Metalcolour:BlackPackage Contents:1 x Metal chuckOnly the above package content, other products are not included.Note: Light shooting 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.