Couple "firsts" for me on this one! First double bolster, first fluted bolster, and first time fileworking liners! CPM154 blade and spring, 410ss mill relieved liners, 416ss bolsters, oval pinned shield, ringed gidgee scales. 600grit hand rubbed finish on hollowground blade. 4 1/2" closed w a 3 1/4" blade.