Fix It Sticks Brass Hammer Heads. The specialized "mushroom" shape keeps the bit in contact with the surface long after other hammers have been removed. This provides a stable base and ensures the bit is properly driven into the Fix It Sticks Holes. The small size of this hammer head makes it great for TIG welding as well as reaming and other fine work. Many of Fix It Sticks bits are magnetic allowing you even greater functionality Whether you're working on a trigger or a bolt you'll love the Fix It Sticks Hammer Head. Features of Fix It Sticks Brass Hammer Head Brass Hammer Head designed to integrate with the Fix It Sticks System. Steel insert in base enables it to be used with magnetic drivers. NOTE: Fix It Sticks Not Included Package Contents: Fix It Sticks Brass Hammer Head Fix It Sticks FISHHBP: Brass Hammer Heads