Smith & Wesson Black Ops Blue Assisted Opening Knife Black Tanto Serrated. This Smith & Wesson Black Ops assisted-open pocket knife offers a unique, ergonomic handle pattern constructed of impact-resistant aluminum, this time in a handsome blue color. The razor-sharp serrated 4034 stainless steel blade is teflon coated and features the M.A.G.I.C. assisted-open mechanism that can be activated by the ambidextrous thumb stud or the finger actuator on the back of the blade.