Its a combination bayonet & field knife made by goverment contractor Ontario knife company, measures overall 13-1/4" 8' partially serrated carbon steel blade with a non-reflective phosphate coating full tang grooved Dynaflex handle, with a polyester elastomer sheath, has a cermic sharping rod on the back, sheath can be atach to military style belts fits the M-16- AR-15 rifles , comes shaving sharp, new in package shipping 8.95