Hollow punches to make clean holes in leather, vinyl, plastic, and soft metals * Available in two of the most common sizes: 1/8" and 1/4"; use with hammer or mallet (not included) * High-carbon steel tempered to hardness 48-52 on Rockwell scale for superior durability * 3-1/4" length with knurled handles for non-slip hold, ejection chamber for removing cut material * 1/4" is great for belts, watch/sandal/luggage straps, jewelry, crafts; 1/8" used for rivet holes