The 1/2 X 12 Assorted Belt Kit is a fantastic option for the person looking to sharpen with leather. The 1/2"x12" SUPER STROP can be used on nearly any edge for maintenance or as a final stage in sharpening to get that razor sharp edge! Stropping with leather is centuries old and still as effective today as it has ever been. We've added to speed to the stropping process! The SUPER STROP is designed fro use with powered belt sanders. The 1/2"x12" SUPER STROP will give you a shaving sharp edge!