Tactile's first Crossbar Lock mechanism was designed in collaboration with Richard Rogers. Specs: Overall Length: 8.18" (208mm) Closed Length: 4.7" (119mm) Blade Length: 3.5" (89mm) Blade Thickness: 0.095" (2mm) Blade Steel: MagnaCut Blade Style: Drop Point Handle Material: Titanium Pocket Clip: Yes, right hand only, tip up Lock Type: Crossbar Lock Weight: 3.9oz Country of Origin: USA