This is the EEZYCUT Trilobite Knife Safety Cutter with Flexi Pouch and 2 Spare Blades Features: Developed for divers, mariners, mountaineers, extreme sports adventurers, and rescue service providers Delivers swift, safe, efficient cutting Specifically for self rescue or for the assistance of others Unique line and webbing cutting device Cuts line from 0.31 (8 mm) to 0.47" (12 mm) Flexi Pouch included Flexi Pouch is designed for flexibility and accessibility, wrapping easily around webbing, backpack straps, etc. Includes two 440A stainless steel replacement blades Color Selection: Solid color options have the same color on both sides of the cutter; combination colors have a different color on each side. The forefront of Emergency Cutting Tool (E.C.T.) dynamics and design, the EEZYCUT TRILOBITE was developed for divers, mariners, mountaineers, extreme sports adventurers and rescue service providers who demand a tool that delivers a swift, safe, efficient cut. "