The Horizon Tool Inc. Screwdriver Phillips #1 4" (100MM) Round Shank is engineered for precision and durability. This screwdriver features a #1 Phillips head, perfect for a wide range of fasteners. The 4-inch length provides excellent reach and control, making it ideal for various applications. Made from high-quality steel, it offers superior strength and resistance to wear. The round shank design allows for smooth rotation, making it suitable for both professional and home use. This screwdriver is a must-have for any toolkit.