Specifications: Material: alloy steel Color: black Size: crankshaft crank pulley wrench: 4.47 x 1.31 x 1.97 inches socket: 0.75 inches Weight: 620g/21.87oz Believe Us: -Dimensionally standardized design, the 19 mm and 50 mm are dimensionally standardized with specific shapes and sizes to meet crankshaft pulley and lug nut removal and installation needs. -Efficient removal and installation, with the help of sockets and crankshaft wrenches, high torque can be easily transmitted, thus making the removal and installation of bolts or nuts efficient and quick. -Good applicability, socket and crankshaft wrenches can be used with other sizes of sockets and extension rods to meet different repair needs. -Good durability, our products have high strength characteristics, which can ensure stable performance and durability during long-term use.