1. Capacity Range - 3-16mm(1/8-5/8 Inch); Mount Thread: 1/2-20UNF 2. The package includes SDS-Plus bits, a 1/4-inch hex shank lock key, a 1/2-inch socket square female adapter, a hex handle converter, and 2 pieces of 16mm key wrenches. This converter conversion tool can transform a power impact wrench into a drill or grinder in a short time. 3. Class 3-Jaw Design - The class 3-jaw design enables secure holding of round-shank drill bits ranging from 3mm to 16mm. 4. Durability - The chuck features high precision threading and tight tapering, with a rust-coated body and sleeve electrophoretic enameling coating. All extensions have rust-proof finishing to extend service life. 5. Note - The product cannot be used counterclockwise. When using the hammer chuck, it must be transferred to the hammer drill setting; other settings may cause the chuck to break. 6. Colour: As Shown 7. Material: Metal 8. Package Contents: 1 set x drill chuck adapter (Only the above package content is included; other products are not included.) 9. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm. 10. Note: 1. Please allow a 1-3 mm error due to manual measurement and a 1-3g weight error. Make sure you do not mind this before ordering. 2. Due to the lighting of the photos and monitor differences, the pictures may not fully reflect the actual color of the item. Please make sure you do not mind this before ordering, thank you! 11. About Shipping: 1. Please ensure your delivery address details such as name, street, house number, and doorbell/email with name are correct; otherwise, the order may not be delivered correctly. 2. All items will be shipped within 3 business days after payment is received. In most cases, you will receive them within 8-12 days, though the specific delivery time depends on circumstances. 3. During the shopping process, if you have any questions, please feel free to consult us; we will reply to you within 24 hours. 12. Hope you have a pleasant shopping experience!