As with other company products, the RCBS Lube-A-Matic Top Punch is constructed from quality materials and made with excellent craftsmanship. For reloading purposes at home, this particular punch has been proven time and time again to eliminate nose deformation.Because the top punch is machined to fit the bullet nose shape exactly, it surpasses expectations. This punch is extremely affordable and made to fit the RCBS Lube-A-Matic bullet sizer/lubricator or the Lyman 450/4500 lube sizer. Regardless of the one used, you will be thrilled with the quality outcome.