SAE/Metric Impact Hex Set, 1/4″-3/4″, 6mm-19mm, 20-Piece. SAE/Metric Impact Hex Set. 1/4″-3/4″, 6mm-19mm, 20-Piece. CR-MO Steel: Crafted from high-grade CR-MO steel, this toolset is designed to provide the strength and flexibility needed to handle high torque impact tasks with ease. Solid One-Piece Construction: Engineered to eliminate weak points, ensuring durability and longevity for a lifetime […]