Usage Tips:Used for: Suitable for sewing, quilting, scrapbooking, and all types of arts and crafts. It can cut cards, fabrics, wool, vinyl, leather, cloth, felt, etc. in multiple layers at once. It is the for replacing the blade of the cutting knife for making handicrafts. Material: The 45mm rotary cutter blade is made of high-quality High -quality material. This material is not easy to bend or break, has a long service life, and the blade is and long-lasting, which can cut the fabric cleanly and neatly in one go. Scale marking: There are clearly visible length markings on the of the 45mm rotary blade, which is convenient to roughly measure the length when using it. (The wavy edge blade has no scale markings) Compatible with most 45mm rotary cutters: Our rotary blades are suitable for all 45mm rotary cutter, such as for rotary cutters, for rotary cutters, etc. Colour:Photo Color Material:Metal Size: Diameter 45mm/1.77inch Package Contents: 12 x Rotary Cutter Blades Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.