Case of Alpen Widia Long Life Drill Bits, 5 pieces. Toughened metal drill bits with Widia alloy (tungsten carbide) providing great hardness and durability. Suitable for hammer drilling and drilling walls and natural stone. High drilling speed thanks to aggressive sharpening of the tip. High strength and stability due to precision milled grooves. Suitable for concrete, natural stone, and brick.

The case contains:

• 1 Widia Long Life drill bit of 4.0 mm diameter.
• 1 Widia Long Life drill bit of 5.0 mm diameter.
• 1 Widia Long Life drill bit of 6.0 mm diameter.
• 1 Widia Long Life drill bit of 8.0 mm diameter.
• 1 Widia Long Life drill bit of 10.0 mm diameter.