The REAL AVID MSTR FITCASTLE NUT WRENCH is engineered for precision fitment in AR platform applications, ensuring minimal marring on sensitive gun parts. Crafted from durable titanium coated stainless steel, this tool guarantees the highest level of accuracy and strength when applying torque, making it an essential addition to any gunsmith's toolkit. Constructed of titanium coated stainless steel Purpose built and specialized for precise fitment to minimize marring on gun parts Fits 1/2" Socket Wrench Elevate your gunsmithing experience with unmatched precision and reliability.