Thick tail design, resistance and no deformation. The hammer end has a hole that can be used to secure the striking map to the object to save space The wrench is made of sufficient material and is forged from a thick one-piece forged high-carbon steel with a high hardness rating of HRC62 This heavy duty wrench is made of materials that ensure durability and long lasting use. Made of high carbon steel, this wrench provides strength and reliability for industrial grade applications Durable,thick and high hardness,meticulous workmanship and long life The surface is phosphate treatment, anti-rust, smooth, beautiful, and resistant to knocking Designed for professionals and hobbyists, this wrench is ideal for automotive repairs and home maintenance. Whether you need to loosen hardened screws or tighten bolts, this wrench has a reinforced design to accommodate all applications, Manufacturer: Rxgiasup