Bosch BL2159 Jobber Red Carded, 1/2", Black Oxide oversize Double-wall construction with 1-1/2" insulating

Double-wall construction with 1-1/2" insulating air space

300 head diameter

Automatic-on/automatic off operation for seamless energy management

LED bulb included

Handle Material: Rubber Handle

Bosch BL2159 Jobber Red Carded, 1/2", Black Oxide oversize Double-wall construction with 1-1/2" insulatingHighlights: Drill Size: 1 2 in. Finish: Black Oxide Overall Length: 6 in. Point Type: 135 Deg. Split Shank Diameter: 3 8 in. Type Style: Fractional Jobber Length The speed helix design penetrates 3X faster than standard bits. The benefits include easier drilling, reduced heat, extended drill bit life and extended cordless battery life Triple tempered black oxide coated bits last 50% longer than regular high speed steel and offer reduced friction