Sinclair primer pocket uniformers are precision-engineered from a single piece of tungsten carbide, ensuring consistent cutting depth without the need for adjustments. These cutters are intended for use with each reloading cycle. They accurately cut primer pockets to the specified SAAMI depth and effectively remove carbon residue after each firing. The uniformers are available in four sizes - large Rifle, Small Rifle/Pistol, Large Pistol and PPC/BR.