PACK OF 8: Each package comes with 8 Pieces paper cutter replacements, large number enough to meet your various needs. STURDY BLADE: These blades are made of plastic and steel, sturdy and durable, with special triangle blade design, not easy to corrode and rust, which is convenient and safe for daily use. SAFE PRESSING: The paper cutter blade with automatic safeguard, the blade in the protective case works only when you press on it, avoids dangers in transportation and using effectively. EXTENSIVE USAGE: Nice for cutting a wide variety of crafting materials including paper, photos, scrapbook pages, picture, card, coupon and much more paper products, good helper for office paper trimmer. CUTTABLE PAPER: The paper cutter blade is suitable for A4 or A5 paper cutting machine for your choosing, portable size provide for you to carry. Special Titanium blade can cut 10-12 paper (80g/m2) every time.