The Microtech A.D.O. (Alpha Detachment Operative) is a solid billet fixed blade knife. This ADO features a dual edge blade with a reverse two tone finish. The blade has partial serrations. The hollow handle has a removable glass breaker butt cap to top it off. The A.D.O. comes with a sheath. This is an absolutely amazing piece from Microtech. Get yours while they last. Product Details: Blade size: 4" Black leather sheath Overall: 8 1/2"