1/2" Square to 1/4" Hex Socket Adapter Quick-release Converter Drill Chuck Ratchet Wrench Impact AdapterDescription:* 1. Material: 45# steel* 2. Specification: 1/2" (square) to 1/4"(hex) Features:* 1. 45# steel with good durability and impact resistance.* 2. 1/2" square to 1/4" fast charge adapter for power tools.* 3. Convert a pneumatic or clamping impact wrench to a drill or ratchet wrench to convert it into a drive.* 4. The quick-release mechanism allows for simple one-handed exchange between bits during operation.* 5. The adapter holds each 1/4" hex bolt tightly. Packing List: Socket Adapter*1+Sealing Ring*1+Pin*1, or Socket Adapter*2+Sealing Ring*2+Pin*2Thank you for your attention, you can for more details about the goods. We will be ready to reply you as soon as possible.