Features:
100% Brand New and High Quality.
Using high-quality high-speed steel, through special treatment, processed iron, steel, plastic, wood,copper, 
aluminum and other metal materials.
Durable, mainly used for bore machining. 
 
Specifications:
Material: HSS 
Size: 13.5mm-30mm
Shank Diameter: 1/2 inch ≈12.7mm
Length: About 150mm 

 
Package Included:
1x HSS Twist Drill Bit