Features:Brand new and high quality.
High quality brass collets to fit Dremel, other rotary tools, pin vises.
Compatible with most rotary tools used in hardware, hobby, home etc.
Specifications:Clamping Diameter :1mm/1.6mm/2.3mm/3.2mm(0.04",0.06",0.091",0.126").
Shank Dia :5mm/4.3mm/4.3mm/4.3mm(0.2",0.17",0.17",0.17").
Overall Length :17mm/0.67".
Measurement error Rang:≤0.05mm.
Package Included:One set(8pcs) Brass Collet(size including 1mm/1.6mm/2.3mm/3.2mm and 2pcs one size).
NO Retail Box. Packed Safely in Bubble Bag.