The first fixed blade in the successful RBB series. A highly innovative concept without any compromise. The 440C stainless steel blade features overwhemling strength of 6 mm, in the typical RBB tanto style. The RBB fixed is the first fixed blade with an interchangeable glass breaker! The guard at the end of the handle offers protection in any cutting task and also can be used as a lever. This is a heavy duty knife, weighing in at 11 ounces! Includes sturdy Tek Lok sheath for convenient carry.