TAC Force Black SS Blade Fold Knife Black TF 764BK. The TAC Force Black SS Blade Fold Knife was made with an incredibly durable stainless steel blade that has been developed to hold an edge for longer periods of time over knives made using lesser steels. If you're searching for the most effective blade for your requirements pick the TAC Force Black SS Blade Fold Knife. Specifications for TAC Force Black SS Blade Fold Knife: Manufacturer: TAC Force Closed Length: 4.5 in Blade Material: Steel Additional Features: Clip Features of TAC Force Black SS Blade Fold Knife: 4.5in. Closed Black S.S. Blade Handle Pocket Clip Package Contents: TAC Force Black SS Blade Fold Knife TAC Force TF 764BK: Black SS Blade Fold Knife Black