[QUICK CHANGE KEYLESS CHUCK]-Suitable for 1/32inch to 1/8inch shank sizes. Adapter compatible with 4485 4486 models 100 200 275 285 300 395 398 400 750 770 780 800 3000 4000 8200. Except for discontinued 1, 2 and 1 series or 8050-N/18 260, 270 and 280 models. [High Quality Material]Metal material, wear-resistant, more durable and safer than other plastic materials. Used in conjunction with the brass chuck, it has strong adaptability and improves accuracy. [10 sizes of brass 4485 chucks]-0.5mm, 0.8mm, 1mm, 1.2mm, 1.5mm, 1.8mm, 2mm, 2.4mm, 3mm, 3.2mm. Please confirm the size you actually need before purchasing. [WHAT YOU GET]-You will get drill chuck chuck kit, including 1 alloy replacement keyless chuck, 1 brass replacement chuck nut, 10 brass 4485 chucks. Colour:gold+black Material:Metal Package Contents: 1 x alloy replacement keyless collet 1 x brass replacement collet nut 10 x brass 4485 collets Only the above package content, other products are not included. Note: Light reflection 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!