The handle is made of chrome-vanadium steel resistant to swelling with a satin chrome finish that ensures strength and durability. The anti-slip design provides better contact with the screw, reducing the risk of slipping. The 72-tooth ratchet mechanism offers a 5° rotation angle, ensuring tightening power and accuracy in confined spaces. Additional features include a lever for easy one-handed operation and universal 12-point ends for easy application. A 15° rotation angle provides better access and torque.