This QSB by Peter Martin features a Damasteel blade with zirconium thumblug and a flipper, fileworked spine. The handle has zirconium bolsters, damasteel scales, anodized and jeweled titanium liners, floating Damasteel backspacer, and a tip up zirconium clip with hidden screws, anodized titanium screws and Damasteel pivot collars. Nice detent, lockup and blade seating. Comes with zippered case. Rides on bearings, nice detent, lockup and blade seating. Excellent condition.