The Irwin IRW10502820 Blue Groove 4x flat bit has the following specific dimension:
7/16 (Part Number: 780A-1
They will provide enough power for 50 kills
Brand Draper Manufacturer Part Number BTS256A MPN BTS256A EAN 5010559992584 GTIN 5010559992584 Type Power Tool Accessories Item Weight 18
Its large dual sliding fence provides maximum support in large material cuts
Irwin® Mixed Screwdriver Bit Set, 11 Piece Weight_1.5kg The Irwin IRW10502820 Blue GrooveIRWIN Mixed Screwdriver Bit Set. The insert bits are manufactured from industrial grade S2 steel for long life and durability. Engineered for use in hand driving applications or with power tools when used with the IRWIN insert bit holder. Supplied in a compact carry case. Contains: 3 x 25mm Phillips Bits: PH1, PH2, PH3. 3 x 25mm Pozidriv Bits: PZ1, PZ2, PZ3. 4 x 25mm TORX Bits: TX10, TX15, TX20, TX25. 1 x Bit Holder.