Features:* These blades are designed for cutting wood, plastics and thin non-ferrous metals (copper, zinc, brass, lead and aluminum).* These blades fit the new Moto MS20 or MS20-01 2-in-1 saw that uses clip-on blades 4.13 inches (105mm) overall length, 3.94 inches (100mm) between pins.* Fine blades, have 24 regular teeth per inch, 0.010 inch thick and 0.074 inch wide, for an extra smooth finish for cutting, extra sharp and for good working. * Medium blade, has 18 regular teeth per inch, 0.010 inch thick and 0.074 inch width for a smooth finish for cutting and sharp like. * Coarse blade, had 15 regular teeth per inch, 0.018 inch thick and 0.094 inch width for quick smooth cutting , and medium-sized railways. Specifications: Product Name: Saw Blades Material: High Carbon Steel Color: Black Length: 105mm / 4.13 Inch Suitable for: Cutting wood, plastics and thin non-ferrous metals (copper, zinc, brass, lead and aluminum) Quantity: 20pcs/set Package includes :10 15TPI saw blade5 18TPI saw blade5 24TPI saw blade Notes:1. Transition: 1cm=10mm=0.39 inch.2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.