10pcs Electric Grinding Accessories 3.2mm-0.5mm Mini Drill Brass Collet Chuck For Dremel Rotary Tool Engraving Pen Copper Core

10pcs Mini Brass Copper Collets Chucks for Twist Drill Motor Shaft Electric Grinder Rotary Tool
Features:
Copper sandwich, bright color, good quality, durable.

Specifications:
Material: Brass
Size: the end of the sandwich is clamped directly: 4.3mm
Corresponding to the inner hole of the spindle of the machine: 4.4mm
Specifications: 0.5mm,0.8mm ,1.0mm, 1.2mm ,1.5mm,1.8mm ,2.0mm ,2.4mm ,3.0mm ,3.2mm

Notes:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow some measuring deviation due to manual measurement.