One of the most popular models that Pro-Tech makes is the TR-3; now available with the operator treatment with tritium inlaid button. Specs: Overall Length: 8" (203mm) Closed Length: 4.5" (114mm) Blade Length: 3.5" (89mm) Blade Thickness: .125" (3mm) Blade Steel: 154CM Blade Finish: Black Coated Handle Material: Aluminum Pocket Clip: Yes, right hand only, tip up Lock Type: Button Country of Origin: USA