1pcs Oval Shape Hole Punch Cutter Set $ 0.99 Body material: high carbon steel Handle diameter: 20 (mm) Bit width: 20 (mm) Chisel type: straight Chisel length: 110 (mm) Bit thickness: 0.1 (mm) Chisel body width: 4 (mm) Specifications: 5x46x4, 7x4, 8x4, 9x4, 10x4, 11x4, 12x4, 13x4, 14x4, 15x4