BOSCH BL2735 AIRCRAFT DRILL BITS-EXTRA LENGTH (CARDED) 1/8""DIA BLK OXIDE FEATURES UL STYLE""MARGIN-TOP0PX;PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" SPEED HELIX DESIGN FOR THREE TIMES FASTER DRILLING THAN STANDARD BITS LAST 50 LONGER THAN HIGH-SPEED STEEL EASIER DRILLING REDUCED HEAT AND EXTENDED DRILL BIT LIFE AVAILABLE IN JOBBER LENGTH STUBBY LENGTH EXTENDED LENGTH (AIRCRAFT) 1/2 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