DescriptionDiy crafts description: 100% brand new and high quality material: metal, bass color: silver, gold specification: overall length:17mm, 0.66'' diameter of shank:4.3mm, 0.17'' clamping diameter:0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 1.8mm, 2.0mm, 2.4mm, 3.0mm, 3.2mm 12288; features: durable and practical compatible with most of rotary tools used in hardware, hobby, home, etc suitable for installation inside diameter of less than 4.3mm drill, electric grinding, hanging mill, hose above 12288; quantity:1 set 10pcs brass drill chuck collet bits 0.5-3.2mm 4.3mm shank for rotary tool diy crafts 10pcs brass drill chuck collet bits 0.5-3.2mm 4.3mm shank for rotary tools 10pcs brass drill chuck collet bits 0.5-3.2mm 4.3mm shank for rotary tool description: 100% brand new and high quality material: metal, bass color: silver, gold specification: overall length:17mm, 0.66'' diameter of shank:4.3mm, 0.17'' clamping diameter:0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 1.8mm, 2.0mm, 2.4mm, 3.0mm, 3.2mm 12288; features: durable and practical compatible with most of rotary tools used in hardware, hobby, home, etc suitable for installation inside diameter of less than 4.3mm drill, electric grinding, hanging mill, hose above 12288; quantity:1 set note: due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 10 x metal drill chucks collet 1 x screw nut diy crafts