Package Includes: contains 100 piece of 270 replacement blades, sufficient quantity to meet the daily use of replacement needs Product Size: the size of the mat cutter blade is 39x 17mm, 0.3 mm thickness 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 Reliable Quality: specially polished blade, strong and , can provide professional polishing edge for cushion 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 blades in cutting, offer smoothly cutting experience Replacement mat cutters blade is the nice way to cut a great mat is with a blade Colour:silver Material:Metal Package Contents: 100 piece x 270 replacement 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.