Ontario Knife has been manufacturing the 1-18 machete under U.S. Government specifications for many years. The same quality that goes into their durable 1-18 machete is found in all the machetes they manufacture - 1095 Black oxide coated blade steel - Full tang construction - High impact shatterproof polymer handles - Steel compression rivets - .125" thick blades. 12" blade, 17-1/2" overall.