3pcs Step Drill Bits High Speed Steel Cone Titanium Coated 3-12mm/4-12mm/ 4-20mm with Hexagon Shank Multi-Functional Drill Bit

Noted:

Due to the light and screen setting difference, the item's color may be slightly different from the pictures.

Please allow slight dimension difference due to different manual measurement.

Features: 
100% quality and Brand new
High Speed Steel for Long Life 
These Step Drill Bits are ideal for variety of materials from metal, plastic, fiberglass to wood 
They also help to enlarge existing holes 
The two flute design tips made the penetration faster without chipping 

Specification:
Sizes of the 3 Step Drill Bits:
10 Step Bit from 3 to 12
9 Step Bit from 4 to 20
5 Step Bit from 4 to 12 

Package Includes: 
3pcs Drill Bits