MulWark Heavy Duty Zinc-Alloy SK4 Snap-Off Easy Loading Retractable Razor Utility Knife Multi Box Cutter for Carpet, Rope, Cardboard,Drywall-15 Sharp Rust-Proof Blades Included with Metal Safety Lock

MulWark Heavy Duty Zinc-Alloy SK4 Snap-Off Easy Loading Retractable Razor Utility Knife Multi Box Cutter for Carpet, Rope, Cardboard,Drywall-15 Sharp Rust-Proof Blades Included with Metal Safety Lock

• ▲ Supreme Cutting Performance - The 15pcs self-loading quick change 18mm rust resistant retractable snap away blades are all made of SK4 steel, featuring triple ground cutting edge, sharper and can stay sharp 3 times longer than normal ones, with the headlock ensuring strong and stable cut, finding itself perfectly used on cardboard sheets, foam sheets and other thick materials; these are specially designed for construction use and other similar heavy duty scenarios.
• ▲ CONVENIENT BLADE CARTRIDGE - Unlike folding knifes, this self loaded large snap construction knife can store up to 6pc 18mm breakaway blades in the chamber, keep you hassle free from frequent blade replacement
• ▲ QUICK BLADE CHANGING - Push the slider up to the end and backwards to its original position, you can fast remove and refill razor blades without taking apart the whole knife, making it the best and most convenient box opener knife
• ▲ INJURY-AVOIDING MECHANISM - Compared with snap-on pocket knife, the auto-lock slider & extra blade-secure swivel lock, and the high quality stainless steel metal body sliding track, along with the non-slip soft TPR handle that provides secure grip, make up the whole mechanism to protect you from cutting yourself
• ▲ EXTENDED BONUS BLADES- This comes with a pack of extra 10pcs SK4 steel blades that could satisfy your use for quite a long time. Besides, all MulWark tools are free of defects in materials and workmanship for as long as you own the product, you may return this product with original purchase receipt or choose to get a replacement

<p><b>MulWark Professional Grade Auto Reloading Stainless Steel Bulk Ratchet Large Snap Box Cutter Knife</b><br/></p><p>The One Tool You Should Never Be Without!</p><p><b>Heavy Duty Snap-off Disposable Blade</b><br/></p><p>This set comes with 5 shatterproof stainless steel blades that feature triple ground cutting edge, 50% sharper than normal ones and can stay sharp 3x longer. They do not flex and surely outlast traditional carbon utility knife blades. Cutting solidly, efficiently and safely, the retractable and replaceable blades make sure that you are always working with the sharpest edge.</p><p><b>Ergonomically Constructed Handle</b><br/></p><p>The full-size contoured TPR handle fits your hands much better than other cheaper brand utility knifes. It's strong, ergonomic curved ribbing provides an accurate, comfortable, balanced controlled sure grip, and prevents slipping both when bearing down with forefinger and also when pulling back to cut</p><p><b>Double Secure Swivel Lock</b><br/></p><p>It can lock the blades inside when not in use, avoiding the blades' accidentally getting out. You can also use it to lock the blade while using to ensure the blade stays strong and stable; it has a great, positive locking force (can endure up to 40KG impact) to prevent blade slipping on hard-to-cut materials.</p><p><b>Objects/Materials </b><br/>that have been tested on with this MulWark manual retracting utility knife includes:</p><p>Cardboard, rubber, carpet, leather, wood(carving & trimming), rope, fabric, drywall, wallpaper, cork board, acetates, linoleum, carpet tile, thin veneer, EVA foam board/ floor mats, drywall( also known as plasterboard, wallboard, gypsum panel, sheetrock, or gypsum board), insulation board, vinyl tile, wallboard, cement backerboard, fiberglass, wire sheath, tapes in general, etc.