Clauss SpeedPak Cartridge Utility Knife Bundle: * Quick, easy and safe blade change * Titanium Bonded double-edged blades are 3X harder than steel * Blades stay sharper longer * Ideal for industrial or home use * Knife features lightweight aluminum body and a non-slip grip * Kit includes: * Clauss 18037 SpeedPak Ti Utility Knife * Clauss 18089 Replacement Ti Cartridge of utility blades, 10pk * Clauss 18436 Replacement Ti Cartridge of dubbed blades, 10pk * Clauss 18433 Replacement Ti Cartridge of hook blades, 10pk * Clauss 18439 Replacement Ti Cartridge of serrated blades, 10pk * Limited lifetime warranty * Model# 18720