[1pc Gold Without Hat]

[1pc Gold With Hat]

[1pc Sliver With Hat]

Features:
1. Simple and accurate to use knurled handle prevents slipping. 
2. Gives precise starting point on steel and other solid materials.
3. Allows you to easily mark work using one hand prior to drilling which will prevent the drill from slipping.
4. Automatic spring loads then releases at top of cycle with force to create center punch (No Hammer Needed) Spring pressure can be adjusted by simply rotating the knurled top of the punch. 

Specification:
Type: Center Drill Bit
Material: High Speed Steel 
Length: 130mm 
Features: Use spring in his body to gernerate the impact power to punch holes