1.DOUBLE SQUARE ADAPTER DESIGN Our innovative crowbar adapter tools feature a double square adapter design that increases versatility by allowing use at more angles. With lever rod adapter heads that provide unlimited ratchet angles, you can achieve a ratchet lever action in tight spaces. 2.High toughness The reinforced and thickened design is tough enough for demanding automotive repairs and handles up to 600Nm of torque, including half shaft removal and other high torque applications 3.HIGH STRENGTH This crowbar adapter tool made of high quality chrome vanadium steel ensures extremely high strength and rugged, wearresistant performance, promising long life with its sturdy construction 4.Versatile use: wrench heads fit 3/8' double square ratchets with 8 point drive, providing perfect flexibility and use at different maintenance angles, ideal for heavy duty vandal, lever and automotive repair jobs