The Lionsteel T.R.E. (Three Rapid Exchange) flipper is an elegant titanium frame lock designed by Michele "Molletta" Pensato and offers a slick and modern take on the classic Gentleman's knife. Available in the award-winning and innovative design with removable flipper tab and thumb disk for three carry options with full titanium or carbon fiber front scales. The T.R.E. is also available in the more economic G10 variant with a non-interchangeable, integral flipper and no thumb disk. All T.R.E. models feature a high performance M390 stainless steel blade driven by the IKBS ball-bearing pivot system.