Lightweight for a balisong at roughly 3.3 ounces
Knife Record
Benchmade
Benchmade Model 51 Morpho
The Benchmade Model 51 Morpho is a folding butterfly knife (balisong) featuring a 4.25 inch D2 tool steel spear point blade, lightweight G-10 handles with blue anodized titanium liners, and a patented spring latch mechanism designed for smooth, safe flipping and carry.
Last updated
Weight98.9 g (3.49 oz)
PriceUS$285
Blade steelD2 Tool Steel
Lock typeSpring latch
Technical Specs
Specifications
CategoryFolding Knife
Blade length108 mm (4.25 in)
Overall length235 mm (9.25 in)
Closed length137 mm (5.39 in)
Blade thickness2.8 mm (0.11 in)
Handle materialG-10 with titanium liners
FinishStonewash or satin finish depending on variant
Opening methodBalisong flipping or direct open
Clip typeTip-up titanium pocket clip (reversible for left or right hand)
Carry Profile
Best for
EDC (everyday Carry)Recreational FlippingLight Utility Tasks
Limitations
Not best for
Heavy ChoppingRust-prone Wet Environments Without Proper Care
Field Signals
Common praise
Durable, strong blade tip resistant to damage
Smooth action with high-quality tolerances
Comfortable textured G-10 handle with finger grooves
Innovative spring latch that does not open accidentally
Watchlist
Common complaints
D2 steel is less rust resistant and requires careful maintenance
Spring latch can require effort to disengage
Latch disengagement when open is less convenient
Comparison Paths
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