7 pieces/set 2.35-5.05 mm brass mini drill chuck metal drill chuck adapter

Product Description： brand new and high quality Made of high-quality materials durable Suitable for 0.5-3.0MM drill bits. It is a small drill bit which is used for PCB circuit board drilling after connecting with the motor to make a special mini drill bit. It can be used for drilling holes in ABS board wood aluminum board cardboard etc. Specification: Adapter drill: 0.5mm-3.0mm Material: Copper Color: copper Copper drill clamp size: 2.0mm 2.35mm 3.17mm 4.05mm 5.05mm Package list: 1 small wrench 1x Copper Diamond Folder 1x 0.5mm drill chuck 1x 1.0mm drill chuck 1x 1.5mm drill chuck 1x 2.5mm drill chuck 1x 3.0mm drill chuck Note: Due to manual measurement please allow an error of 1-5mm. Since the monitors are not calibrated the same the colors of the items shown in the photos may be slightly different on your computer monitor.