Features: Quick change keyless chucks holds various accessories with 1/32" to 1/8" shank sizes. 3-jaw chuck-cordless and corded rotary-tools(including drill bit, sanding drums, polishing wheels and other light-duty accessories) The 3-jaw chuck adopts of alloy-material, the built-in spring is stable and durable. High-quality brass collet and all-metal nuts are durable and for long lasting; The package includes:1xBlack Drill Chuck;1xSilver Drill Chuck and 8x Brass Clip; Drill Chuck Collet Set, 1/32" to 1/8" Replacement 4486 Drill Keyless Bit Chuck Shank Rotary-Tool Quick Change Adapter with Replacement 4485 Brass Quick Change Rotary-Drill Nut Tool Set; Specifications: Material:Brass Drill chuck collet set Brass Clip Size:Approx.16.5x4.3mm/0.65x0.17in Black Drill Chuck Size:Approx.22.4x9.4mm/0.88x0.37in Silver Drill Chuck Size:Approx.15x11mm/0.59x0.43in Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xBlack Drill Chuck; 1xSilver Drill Chuck; 8x Brass Clip