Feature:

5pcs Collet Bit 1mm/1.5mm/2.35mm/3mm/3.17mm Fits D Rotary Tools

High quality brass collets fits D, other rotary tools, pin vises
Compatible with Most Rotary Tools, ulimited Uses in Hardware, Hobby, Home Etc

Specification:

Clamping Diameter : 1mm/1.6mm/2.3mm/3mm/3.17mm
Shank Dia : about 4.8mm
Overall Length : 17mm
Color : Golden (Not as the following pictures show)
Material : Brass

1MM chuckCan be clamped 0.6-1.2MM Drill
1.6MM chuckCan be clamped 1.4-1.7MM Drill
2.35MM chuckCan be clamped 1.8-2.4MM Drill
3MM chuckCan be clamped 2.5-3MM Drill
3.2MM chuckCan be clamped 3.2MM Drill

Package Included:

1 x 5pcs Golden D Collet Bit Set