The Darrel Ralph designed HEAT is a very fast opening "assisted opener" utilizing the ROBO mechanism by Camillus. This model is similar to the Dominator, but has a series of economy features which make it accessible to more people. The steel is good quality AUS8 stainless and utilizes a Liner Locking mechanism. The pocket clip can be reversed for left handed carry. TECHNICAL SPECIFICATIONS Blade: 3.6" AUS8 flat ground clip point Closed size: 4.4" Handle: Zytel - glass filled Nylon with etching for safe handling in all conditions and double steel liners for strength Carry Method: Pocket Clip or included Nylon belt sheath