Descriptions
This product can be used to mental drilling, wood drilling, plastic drilling, etc.
It is made from a metal material widely used, High Speed Steel (HSS).
The twist drill bits with the diameter standard from 1.0mm to 2.9mm ( the gradient of 0.1mm) can help you do fine processing on your work.

Specifications
Material: high speed steel
Dimensions:
Dia.
(mm)
Length
(mm)
1.034.5
1.136
1.237
1.338
1.440
1.542
1.642
1.743
1.846
1.946
2.048
2.150
2.252
2.353
2.455
2.557
2.657
2.757
2.859
2.960

Notes
Please allow a bit manual measuring errors.

Package included
20 x Twist Drill Bits 
20pcs 1.0-2.9mm HSS Straight Shank Twist Drills Set
20pcs 1.0-2.9mm HSS Straight Shank Twist Drills Set
20pcs 1.0-2.9mm HSS Straight Shank Twist Drills Set
20pcs 1.0-2.9mm HSS Straight Shank Twist Drills Set
20pcs 1.0-2.9mm HSS Straight Shank Twist Drills Set