Each trainer has been carefully fashioned out of Santoprene to look as realistic as possible so they can be effectively used in solo practice, training drills, disarm drills, and demonstrations and any other activity where you want a reasonably close approximation of realism but not the extreme danger and risk associated with an actual knife. Oal 9.13" Series Rubber Trainer Weight 3.20 oz Edge Type Plain Blade Type Hawkbill Blade Length 4" No. Of Blades 1 Blade Material Santoprene Handle Description Black Deep Checkered w/Ring Pommel