Specs:ManualThere is no mechanical assist, such as SpeedSafe, used to open the folding knife. It opens the classic, old-school way.ReversiblePre-drilled holes in the handle enable the user to change either the tip position or the side on which the knife carries.Frame LockA portion of the handle (the knife frame) moves behind the blade to lock it into position during use. This is a safety feature of the knife.Other Features:Designed by Emerson, built by KershawThumb disk; "waved shaped opening feature"Manual openingFrame lockReversible pocketclipSteel: 8Cr13MoV, stonewashed & satin finishHandle: textured G-10, 410 bead-blasted finish backBlade length: 3.25 in. (8.3 cm)Closed length: 4.5 in. (11.4 cm)Weight: 5.1 oz. (144.6 g)UPC: 087171037295