Tough-to-access areas are no match for this Milwaukee Shockwave Right Angle Adapter. It has an internal optimized shockzone that absorbs peak torque and prevents breaking. Crafted from custom alloy 76 steel, the shank is engineered for extended life. The hardened gears provide increased torque transfer for added durability. Its 1.4 in. slim profile gives you entry into tight spaces. It's designed for use in both drill rivers and impact drivers and works with all 1/4 in. hex shank accessories.