Comparison Console
Spyderco Kiwi 4 G-10 vs Spyderco UK Penknife
EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Spyderco Kiwi 4 G-10 stands out as the lightest option for weight, with about a 14% gap from the closest alternative. Spyderco Kiwi 4 G-10 stands out as the cheapest option for retail price, with about a 27% gap from the closest alternative.
Decision Signals
What stands out
Spyderco Kiwi 4 G-10 stands out as the cheapest option for retail price, with about a 27% gap from the closest alternative.
Spyderco UK Penknife stands out as the most expensive option for retail price, with about a 36% gap from the closest alternative.
Spyderco Kiwi 4 G-10 stands out as the lightest option for weight, with about a 14% gap from the closest alternative.
Spyderco UK Penknife stands out as the heaviest option for weight, with about a 17% gap from the closest alternative.
Spyderco Kiwi 4 G-10 stands out as the shortest option for closed length, with about a 1% gap from the closest alternative.
Spyderco UK Penknife stands out as the longest option for closed length, with about a 1% gap from the closest alternative.
Spyderco Kiwi 4 G-10 stands out as the shortest option for blade length, with about a 13% gap from the closest alternative.
Spyderco UK Penknife stands out as the longest option for blade length, with about a 15% gap from the closest alternative.
Specification Profile
Relative dimensions at a glance
Each axis is normalized against the largest raw value among the products in this comparison. Farther outward means a larger value, not necessarily a better result. Axes with an unverified value are omitted.
Price & carry
Retail price
US$98.99Cheapest
US$135Most expensive
Weight
54 g (1.90 oz)Lightest
63 g (2.22 oz)Heaviest
Dimensions
Blade length
65 mm (2.56 in)Shortest
75 mm (2.95 in)Longest
Overall length
172 mm (6.77 in)Shortest
175 mm (6.89 in)Longest
Closed length
99 mm (3.90 in)Shortest
100 mm (3.94 in)Longest
Blade thickness
2.4 mm (0.09 in)Thinnest
2.5 mm (0.10 in)Thickest
Materials & mechanism
Blade steel
VG-10 Stainless Steel
CPM SPY27 stainless steel
Handle material
G-10 Laminate
G-10 Laminate
Finish
Satin
Satin-finished blade
Lock type
Back Lock
SlipIt (non-locking)
Opening method
Thumb Hole
One-handed opening via Spyderco Trademark Round Hole
Clip type
Tip-up (left/right)
Deep-pocket wire clip, reversible for ambidextrous tip-up carry
Use case profile
Best for
Everyday carryTactical knife
Everyday carryEDC
Not best for
Unknown
Locking-blade knife usersLegal jurisdictions prohibiting locking blades
Common praise
Lightweight at 54 gramsCompact size with 65mm bladeErgonomic G10 handleReliable lock back mechanismAmbidextrous clip placement
Excellent edge retention and toughness thanks to CPM SPY27 steelLightweight and durable G-10 handleConvenient reversible pocket clip for ambidextrous tip-up carrySafe, legal non-locking slipjoint design with ambidextrous one-handed opening
Common complaints
No sheath or pouch included
Not suitable for users preferring locking bladesLimited blade length (approximately 2.95 inches) for heavy-duty tasks