Product DescriptionMaterial: AlloySize: 50 * 23 * 18 mmColour: BlackQuantity: 4 piecesPackage content: 4 pieces * Adapter1. Material The socket adapter is made of high quality alloy with high hardness and impact resistance, which can be used for a long time.2. Function The socket adapter can easily replace the drill bit and the sleeve with stable clamping force and easy operation, which can be used with power tools.3. Easy to use Installation is very simple and can be completed in a minute. You can manually install hex shank adapters directly without additional tools.4. Instructions Use this one-piece clamping converter to convert an air or impact wrench into a drill or a ratchet wrench into a screwdriver.5. Application The hex shank adapter can securely attach any 1/4-inch hex shank drill bit such as insert drill, screwdriver, etc.