ToolUSA 5 Piece Heart Shape Disc Cutter With Handle: TJ750H-HR-5 Set Of 5 Solid Steel Heart Shaped Cutters In A Variety Of Sizes Plus The Plate With Handle Heart cutters in sizes 10 x 12, 12 x 15, 15 x 18, 19.75 x 24, and 20 x 25mm - weight is 3bs 11.4 oz Handle turns to create an opening between the two plates of up to 1.9mm for the sheet metal The handle can be tightened down to hold the sheet metal in place for cutting A good strong hit with a hammer (not included) is the final step to complete the cutting