The Bear Song IV butterfly knife is a collaboration between BladeRunnerS (BRS) and Bear OPS. It is a lightweight flipper that is designed to be your go-to everyday carry knife. The B-400 model features black finished aluminum handles with stainless steel spacers and a swappable latch. The pivots have 304 bearing surfaces and phosphorus bronze washers. The black powder coated steel clip point blade has a double tang pin design for great performance.
$89.99 Original price was: $89.99.$62.99Current price is: $62.99.
- Quality You Can Count On
- High quality products, hassle-free returns.
- Nature-friendly materials, 100%.
- Made of environmentally friendly materials

| Overall Length | 9.75" |
|---|---|
| Color | Black |
| Best Use | Recreation |
| Country of Origin | USA |
| Model Number | B-400-AlBK-B |
| Model | Bear Song IV |
| Brand | Bear Ops |
| Knife Type | Butterfly |
| Weight | 4.45 oz. |
| Handle Material | Aluminum |
| Blade Length | 4.375" |
| Handle Length | 5.375" |
| Edge Type | Plain |
| Finish | Black |
| Blade Grind | Hollow |
| Blade Style | Clip Point |
| Hardness | 58-60 RC |
| Blade Material | 1095 |
| Product Type | Knife |
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