Product Size: the size of the mat cutter blade is 39x 17mm, 0.3 mm thickness Reliable Quality: specially polished blade, strong and , can provide professional polishing edge for cushion Safe to Use: the blade is stored in a red box, wrapped with oil paper, using oil to protect the blade, prevent rust and wear, improve service life, before use be taken out of the blade oil wipe with a paper towel can be Package Includes: contains 100 piece of 270 replacement blades, sufficient quantity to meet the daily use of replacement needs Widely Used: suitable for a variety of mat cutter replacement blade, including 250, 301, 401, 424, 440, 450, 500, 525, 700-S, 701, 750, 2000, 3000, 4000, Manufacturer: Fuhjythy