Cold Steel AD-15 CS-58SQBKBK, 3.5″ CPM-S35VN Black Blade, Black G10 Handle
Andrew Demko teamed up with Cold Steel to create a high-performance production version of Demko’s AD-15 folding knife. The AD-15 introduced the innovative Scorpion Lock, which provides secure blade lock-up with a pull-back lever along the spine. Andrew modified a traditional lockback design by integrating it into the handle and adding a stop pin, eliminating blade play and overtravel issues. With Cold Steel’s AD-15, the sensation of the Scorpion Lock is now more accessible, coming paired with an affordable, high-quality folding knife featuring tough G-10 and resilient CPM CPM-S35VN stainless steel.
Specifications:
| Knife Type | Folding Knife | |
| Brand | Cold Steel | |
| Product Name | AD-15 Scorpion Lock | |
| Model # | CS58SQBKBK | |
| Overall Length | 8.5in | |
| Closed Length | 5in | |
| Blade Length | 3.5in | |
| Blade Thickness | .15 | |
| Handle Thickness | .59 | |
| Blade Material | CPM-S35VN | |
| Blade Hardness | 58-60HRC | |
| Blade Style | Drop Point | |
| Blade Edge | Black | |
| Blade Grind | Flat | |
| Blade Finish | Satin | |
| Handle Material | G10 | |
| Handle Finish | Black | |
| Lock Type | Lockback | |
| Clip Position | Tip Up | |
| Weight | 6.6 | |
| Origin | Taiwan |









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