You can use this hole cutter, hole puncher for hole punching double holes, quad holes, and six holes. These chisels feature changeable tips. You can easily remove or mount tips with hex key. Hole Diameter: approx 1 mm - 1.2 mm ( fits for sewing holes) Hole spacing: 5 mm (you can change distances between holes by removing tips.) With the option to purchase spare tips, you can always have the ability to change the tips means you don't have to buy a new chisel. These chisels are made from high-quality materials and are built to last, ensuring that you can use them for years to come. When it becomes blunt you can buy spare tips and change. You'll get; 1 x Double Hole Cutter 1 x Quart Hole Cutter 1 x Six Hole Cutter
