? BIG DISCOUNTS? 7pc 2.35/3.17/4.05/5.05mm Brass Collet Mini Drill Chucks Adapter For Motor Shaft?NOTH-PH?

Features:
This 0.5-3mm drill chuck set is made of copper with excellent workmanship.
It is suitable for 0.5-3.0MM drill bit.
For small drills, after connecting with the motor, drill holes for the PCB circuit board with special drills.
Compatible with most rotary tools used in hardware, hobby, home etc Clamping Diameter
Ideal for combined use with a hand drill or electric drill,to drill ABS,wood board,presspaper,etc
Specification:
Adapter Drill: 0.5mm-3.0mm
Material: Copper
Color: Gold
Copper Drill Folder Size: 2.35mm/ 3.17mm/4.05mm/5.05mm
Suitable for use with hand drills or electric drills
Quantity:7pcs/set
Package includes:
1x Small Wrench
1x Copper Drill Folder
5x Drill Collet
Notes:
1. Due to manual measurement, please allow 1-3mm error.
2. Due to the difference of different monitors, the picture may not reflect the actual color of the item.