Bluemoona Oval shape Hole Leather Belt Watch Band Gasket Hollow Hole Punch Cutter Tool 3x6 3x8 3x10 3x12mm Material: Metal Size:3x6mm 3x8mm 3x10mm 3x12mm Color: Gray Put the leather belt (or others) on the soft table before you punch the shape. Hard table may make the tool bent Hollow punches make clean shape in gaskets, leather, plastic, rubber, vinyl, and other soft materials.