Bosch BL2144 - 1764 in x 418 in Fractional Jobber Black Oxide

SPEED HELIX DESIGN FOR THREE TIMES FASTER DRILLING THAN STANDARD BITS LAST 50 LONGER THAN HIGHSPEED STEEL EASIER DRILLING REDUCED HEAT AND EXTENDED DRILL BIT LIFE AVAILABLE IN JOBBER LENGTH STUBBY LENGTH EXTENDED LENGTH AIRCRAFT 12 IN REDUCED SHANK SILVER AND DEMING FOR USE IN STEEL COPPER ALUMINUM BRASS OAK MAPLE MDF PINE PVC POLYCARBONATE ACRYLIC ABS NYLON AND COMPOSITE MATERIALS