The M series multi-functional knives at Arkwrights are expected to offer excellent combination of both substantial functionality and good portability. These knives are fit for everyday carrying and daily use Specifications: Overall Length: 165mmWeight: 118gBlade Length: 71mmBlade Thickness: 2.5mmBlade Material: 12C27 stainless steel (57~59 HRC)Finish: MirrorHandle Material: G10 w/ 420 stainless steel linerOpening: (Manual) Nail nickLocking: Slip joint (no lock) Functions: Large Blade Glass Breaker Pocket Clip Tweezers Corkscrew Bottle Opener Large Screwdriver 6.5mm Wire Stripper Belt Cutter Small Screwdriver 3mm Key Ring Scissors Drill Reamer With Sewing Eye Facer Materials: Large Blade:The main blade of the RUIKE multi-function knives have enhanced thickness and width,providing greater durability and blade capacity to the competition. Sandvik 12C27 Blade Material:RUIKE knives are made from Sandvik 12C27 stainless steel Outside of superior corrosion resistance,the steel provides the blades with added strength, giving the blades the ability to retain sharpness for longer. G10 Knife Handle:RUIKE knife handles are a blend of fibreglass and resin, giving the knives the ability to withstandintense forces, preventing scrapes and general abrasion. Pocket Clip Design:Given that most owners of knives typically use them with environments that promote wear and tear,RUIKE has created stainless steel clips to holster the knives to protect them during non-use.Easy to carry, you can be assured that your RUIKE knife is protected. Tungsten Steel Breaking Cone:Providing added capability, RUIKE knives come with a tungsten steel breaking cone,allowing users to break glass and other tough materials that they may encounter.