DRILAX 7 pcs Micro Collet Twist Tool Chuck Set Holds 0.5mm to 3mm (1/8 inch)
Mini collet set will help you use very small bits from 0.5mm to 3mm.
The collet is secured in the brass base with the included set screw and tightened with the L wrench.
The brass cap goes over the the collet and tightens the bit in place.
1 x L wrench
1 x Brass Cap
1 x Brass Base
1 x 0.5mm drill collet
1 x 1.0mm drill collet
1 x1.5mm drill collet
1 x 2.5mm drill colle
1 x 3.0mm drill collet