Its a knife first, with multi-functional implements second. The Obsidian™ clip knife features a high-grade blade with dual thumb studs for one-handed opening and a safety-style lock that ensures the blade stays open or closed when you need it to. Additional implements include cross point and flat head screw drivers, a file, and a bottle opener. Thumb Stud Safety Plunge (Piston) Lock Lanyard Hole Includes Cross Point & Flat Head Drivers, File and Bottle Opener Overall Length: 7.06" Blade Length: 3.13" Closed Length: 4.13" Weight: 4.6 oz. Blade Style: Fine Edge Blade Material: 440 Stainless Blade Type: Drop Point Handle Material Glass-filled nylon