The Brownells Allen head bolt kit is a specialized accessory engineered to improve the performance of Brownells action wrenches. This kit supplies customers with the essential components to securely fasten action wrench heads during gunsmithing operations, thereby ensuring stability and precision. Comprehensive bolt assortment - the kit comprises dual 2 inches and dual 3 inches bolts, each featuring a 1/2-20 threads per inch (tpi) specification, ensuring versatile application compatibility The 2 inches bolts are optimized for single-piece wrench heads, whereas the 3 inches bolts are engineered for dual-piece heads, providing adaptability across diverse wrench configurations A 3/8 inches Allen wrench is supplied, precisely sized for the accompanying bolts, enabling straightforward and secure tightening