37PH2100 Double Head Philips Screwdriver Bit S2 PH2 x 100mm (10PCS) is designed for reliable and high-performance fastening in professional applications. Manufactured from premium S2 alloy steel, it offers excellent hardness, strength, and wear resistance for long service life. The double-ended PH2 design increases usability and extends lifespan, while the 100mm length provides better reach for deeper or hard-to-access areas. It ensures a secure fit, reduced cam-out, and efficient screw driving when used with drills, impact drivers, or manual tools.