Easy to install and disassemble, more convenient and labor-saving
Features:
brand new and high quality
Fine workmanship and stable performance.
High strength and hardness.
High precision and durable.
Make you better, more efficient to process products.
Suitable for automobile manufacturing, mold manufacturing, machinery manufacturing etc.

Specification:
Material: Carbon Steel
Optional Size: 8mm
Dimensions: As pictures shown.(approx)
Outside diameter:12.2mm(0.48in)
Hole diameter: 8mm(0.31in)
Overall length: 20.2mm(0.80in)
Color: Black&Silver
Quantity 2 pcs

Note
Transition 1cm10mm039inch
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package includes:
2 x Collet Chuck(other accessories demo in the picture is not included.)