Description:10pcs 0.5-3.2mm Brass Drill Chucks Collet Bits 4.3mm Shank for Rotary Tool<br>Specification:<br> Material: Brass<br> Overall Length: 17mm\/0.66''<br> Shank Diameter: 4.3mm<br> Clamping Diameter:<br> 0.5mm\/0.8mm\/1.0mm\/1.2mm\/1.5mm\/1.8mm\/2.0mm\/2.4mm\/3.0mm\/3.2mm<br> Color: Gold<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 4.5mm drill， electric grinding， hanging mill， hose above.  Package Included:10 x Drill Collect Chuck Bits<br>More Details: