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The Benchmade Undercurrent 18040S is a premium outdoor knife featuring a 4.3-inch CPM-MagnaCut steel sheepsfoot blade with partial serrations for versatile cutting tasks. Its durable Depth Blue Santoprene handle ensures a secure grip in all conditions, while the knife’s lightweight design (5.38 oz) makes it ideal for camping, hiking, and water sports. Backed by Benchmade’s LifeSharp lifetime sharpening and maintenance service, this knife guarantees enduring performance and reliability.





























| ASIN | B0D1RL6CJR |
| Age Range Description | Kid |
| Age range (description) | Kid |
| Best Sellers Rank | #131,407 in Sporting Goods ( See Top 100 in Sporting Goods ) #54 in Camping Fixed-Blade Knives |
| Blade Edge | Sheepsfoot |
| Blade Length | 4.3 Inches |
| Blade Material | CPM-MagnaCut Steel |
| Blade Shape | Sheepsfoot |
| Blade Type | Sheepsfoot |
| Brand | Benchmade |
| Brand Name | Benchmade |
| Color | Depth Blue |
| Customer Reviews | 4.7 out of 5 stars 15 Reviews |
| Hand Orientation | Ambidextrous |
| Handle Material | Santoprene |
| Included Components | Knife |
| Included components | Knife |
| Is Product Cordless | Yes |
| Item Length | 9.43 Inches |
| Item Shape | Rectangular Prism |
| Item Type Name | Benchmade - UNDERCURRENT, FB, SANTOPRENE |
| Item Weight | 5.38 Ounces |
| Manufacturer | Benchmade |
| Model Name | Undercurrent |
| Model Number | 18040S |
| Model name | Undercurrent |
| Number of Items | 1 |
| Part Number | 18040S |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Camping, Hiking |
| Recommended uses for product | Camping, Hiking |
| Reusability | Reusable |
| Size | 4 بوصة |
| Special Features | Benchmade Knife |
| Special features | Benchmade Knife |
| Style | Undercurrent 18040s |
| Theme | Outdoor Adventure |
| UPC | 610953207946 |
J**N
Excellent
Bought as a gift for a friend who invited me up to Alaska to fish. Excellent knife on all counts…. Recipient was very pleased… Make somebody happy and buy them this knife…
D**S
What an awesome blade! Sheath sucks though
I love this thing! I've used it for everything from food prep to bushcraft and fishing. It holds an edge for a very long time and the handle is super comfortable. My only gripe is the sheath. For the price you pay, it should come with a belt loop or some way to carry it but it doesn't. Also, the little tab you have to press to unsheath the knife feels like it may break after a hundred uses or so. That being said, I still believe that this knife is worth a purchase
A**R
Very sharp
Great knife
B**N
Nice quality, but watch the surface rust.
Feels good in your hand, great quality.. but it is getting surface rust faster than I anticipated. Make sure you're rinsing it down after every outing.
Trustpilot
3 weeks ago
3 weeks ago