Uxcell 2 Inch Triple Square Spline Review

【Size】1/2-inch drive socket, M12 (12mm) spline bit, 3.07-inch (78mm) total length. 【Torque Strength】Chrome molybdenum steel provides excellent durability and strength with every impact movement; black phosphate finish for extra protection against rust and corrosion. 【Chamfered Design】Chamfered ends insert smoothly into fastener head, reducing wear. 【Pin Hole】Individual pinhole base design adds extra security by placing in a locking pin for stability when exerting strong torque motion. 【Ideal Tools】Use with ratchet to improve speed in tightening spline drive fasteners. And the product has no insulation properties and is not suitable for electrical environments.