Designed by military SERE instructors as a hard-use downed pilot's survival knife.ESEE-5 SPECS:Overall Length: 11.0?Blade Length: 5.25?Thickness: .25?Steel: 1095 Carbon, 55-57 RcFinish: Textured Powder CoatBlade Width: 1.56?Grind: SaberWeight (Knife Only): 16 OuncesHandles: Canvas MicartaBlack Kydex Sheath w/ Clip PlateThumb Jimping On SpineGlass Breaker PommelBow Drill Divot In HandleWARRANTY:ESEE knives are made with absolute attention to detail using the finest raw materials and care during the manufacturing process. We stand behind our knives with a 100% unconditional lifetime guarantee. If your ESEE knife should ever break, we will repair or replace it. This warranty follows the knife throughout its life, anywhere in the world. View the warranty page.NOTE:ESEE knives made from high carbon 1095 steel will rust and stain if not properly cared for, especially on the cutting edge and around the laser engraving. It is the user's responsibility to keep the blades properly lubricated and cleaned. We suggest using a dry film rust inhibitor on the blade. Use Lock Tite when assembling any hardware, such as attaching the clip plate to the sheath.