The 48-32-4672 SHOCKWAVE Impact Duty 3-1/2 SQ2 Bit 2PK is designed for heavy-duty fastening tasks where durability and performance are paramount. These #2 Square Recess bits are constructed from for Milwaukee's custom alloy steel, which is heat-treated for maximum strength and longevity. The Shockwave technology helps to absorb the high torque generated by impact drivers, minimizing wear and tear on the bit. The 3-1/2 inch length allows for better access to screws in deep or tight spaces, making these bits versatile and highly functional. The precision-machined tips fit securely into square recess fasteners, reducing the risk of stripping and ensuring a smooth, efficient fastening process. These bits are ideal for professionals in construction, carpentry, and other trades that require robust and reliable tools.