[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. Product Notes: Please allow a little manual errors.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 confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.