10pc Metal Drill Chucks Collet Bits 0.5-3.2mm 4.3mm Shank Rotary Tool With Screw Nut For Dremel<br /><br />Specification:<br />Color:Silver，Gold<br />Material: Metal<br />Overall Length:17mm/0.66''<br />Diameter of Shank:4.3mm/0.17''<br />Clamping Diameter:0.5mm/0.8mm/1.0mm/1.2mm/1.5mm/1.8mm/2.0mm/2.4mm/3.0mm/3.2mm<br /><br />Features:<br />Durable and practical<br />Compatible with most of rotary tools used in hardware，hobby，home，etc<br />Suitable for installation inside diameter of less than 4.3mm drill，electric grinding，hanging mill，hose above<br /><br />Package include:<br />10 x Metal Drill Chucks Collet<br />1 x Screw Nut