Features‎:‎100% and high qualityThis 0.5‎-3mm twist drill chuck set is made of copper with excellent workmanship‎.‎Copper miniature drill chuck‎,‎ and drill mix to form a hand drillThe collets can go with twist drill as a mini hand drll for ABS board‎,‎ aluminium shet‎,‎ paperboard drilling‎.‎Kindly Remind1‎.‎Small objects‎,‎place where children cannot touch and get‎.‎2‎.‎Small objects‎,‎please keep properly after use‎,‎avoid loss‎.‎3‎.‎Please wear goggles when using the drill‎.‎Specifications‎:‎Condition‎:‎ Quantity‎:‎ 8pcsAdapter drill‎:‎ 0.5MM‎-3.0MMMaterial‎:‎ CopperPacket content‎:‎1x Axis1x Copper Cap1x Allen wrench 1x 0.5mm drill collet1x 1.0mm drill collet1x 1.5mm drill collet1x 2.5mm drill collet1x 3.0mm drill collet