4mm to 12mm Motor Shaft B10 Drill Clamp Chuck Coupling Coupler Connector Sleeve Screw
It can play a role in the unexpected.
Great helper for your productivity.

Material: Steel
Sleeve Inner Hole Diameter: 4mm, 5mm, 6mm, 8mm, 10mm, 12mm
Quantity: 1 Set

Note:
Transition: 1cm=10mm=0.39inch
Please allow 0-3mm error due to manual measurement. make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual colour of the item. Thank you!

Package Contents:
1 x Drill Chuck Clamp Connection Shaft
2 x Screw