Makita B 44747 Impact GOLD SQ2 Square Insert Bits 25 Pack 1 Inch 1 4 Hex Shank (Xtreme Torsion Technology, High Torque Fastening, Heavy Duty Construction) Radius Round Nose Bit Specification Detail Model Number 80731 Specification Detail Model Number 80731 Total Piece Count 15 Sockets Drive Tang Size 1 2 in Square Drive Socket Drive Profile 12 Point (Double Hex) Measurement Format SAE (Imperial Fractional) Size Range 7 16 in to 1 1 2 in Socket Length Format Standard (Shallow Depth) Material Construction Forged Chrome Alloy Steel Surface Finish Full Polish Nickel Chrome Fastener Engagement Technology Off Corner Loading Surface Drive Industry Standards Meets or Exceeds ASME B107 Simultaneous Cross Line Mode: Projects two bright lines that are precisely level and plumb for comprehensive vertical and horizontal alignment applications Hex Impact Drivers Pro Tip: Always use a magnetic bit holder with these insert bits to keep them centered and secure in the drive chuck Best Used For: