Tenable Prometheus T1040A4 – 3.29" Blackwash 14C28N Sheepfoot Folding Knife
The Tenable Prometheus T1040A4 is a refined EDC folding knife featuring a 3.29" blackwash 14C28N sheepfoot blade and purple & black G10 handle scales. Designed by D.O.C.K. (Dmitry Osarenko Custom Knives), the Prometheus runs on ceramic ball bearings with a flipper for snappy, smooth deployment, while the liner lock provides reliable one-hand operation for everyday cutting tasks. Going Gear is an authorized Tenable dealer.
Tenable Prometheus T1040A4 Specifications
| Specification |
Detail |
| Brand |
Tenable |
| Model |
Prometheus |
| SKU |
T1040A4 |
| Overall Length |
7.61" |
| Blade Length |
3.29" |
| Blade Thickness |
0.14" |
| Blade Steel |
14C28N |
| Blade Finish |
Blackwash |
| Blade Style |
Sheepfoot |
| Blade Grind |
Flat |
| Handle Material |
Purple & Black G10 |
| Lock Type |
Liner Lock |
| Weight |
3.81 oz |
| Designer |
D.O.C.K. |
| Knife Type |
Folding Knife |
Frequently Asked Questions
What is the blade length of the Tenable Prometheus T1040A4?
The Tenable Prometheus T1040A4 has a 3.29" blade. This blackwash 14C28N sheepfoot blade is 3.29 inches long — an ideal EDC size for everyday cutting tasks.
What steel is used in the Tenable Prometheus T1040A4?
The Tenable Prometheus T1040A4 uses 14C28N steel. Sandvik 14C28N is a fine-grained stainless steel prized for its keen edge, good edge retention, and strong corrosion resistance, and the blackwash finish adds a stealthy look while helping to hide scratches.
What handle material does the Tenable Prometheus T1040A4 have?
The Tenable Prometheus T1040A4 features purple & black G10 handle scales. G10 is a tough, lightweight fiberglass laminate that offers excellent grip and durability, with chamfered edges that eliminate hot spots for all-day comfort.
What lock type does the Tenable Prometheus T1040A4 use?
The Tenable Prometheus T1040A4 uses a liner lock. A liner lock uses a spring-tensioned steel liner that snaps behind the blade tang to hold it open, allowing quick and reliable one-hand opening and closing.
What is a sheepfoot blade?
A sheepfoot blade, as featured on the Tenable Prometheus T1040A4, has a straight cutting edge with a rounded, dull spine that curves down to meet the tip. This design gives excellent control for slicing and push cuts while reducing the risk of accidental punctures.
Is the Tenable Prometheus T1040A4 a good EDC knife?
Yes — the Tenable Prometheus T1040A4 pairs a compact 3.29" blade with smooth ceramic ball-bearing action and a striking purple & black G10 handle, making it a capable and eye-catching everyday carry at a great value.
Where can I buy the Tenable Prometheus T1040A4?
The Tenable Prometheus T1040A4 is available at Going Gear, an authorized Tenable dealer. Going Gear carries the full Tenable lineup with fast shipping and expert customer support.
