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Comparison Console

Cold Steel Engage 4.0 vs Zero Tolerance 0550

EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.

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Command Brief

Recommended read

Zero Tolerance 0550 stands out as the lightest option for weight, with about a 12% gap from the closest alternative. Cold Steel Engage 4.0 stands out as the cheapest option for retail price, with about a 8% gap from the closest alternative.

Decision Signals

What stands out

Cheapest

Cold Steel Engage 4.0 stands out as the cheapest option for retail price, with about a 8% gap from the closest alternative.

Most expensive

Zero Tolerance 0550 stands out as the most expensive option for retail price, with about a 9% gap from the closest alternative.

Lightest

Zero Tolerance 0550 stands out as the lightest option for weight, with about a 12% gap from the closest alternative.

Heaviest

Cold Steel Engage 4.0 stands out as the heaviest option for weight, with about a 14% gap from the closest alternative.

Shortest

Zero Tolerance 0550 stands out as the shortest option for closed length, with about a 1% gap from the closest alternative.

Longest

Cold Steel Engage 4.0 stands out as the longest option for closed length, with about a 1% gap from the closest alternative.

Shortest

Cold Steel Engage 4.0 stands out as the shortest option for blade length.

Longest

Zero Tolerance 0550 stands out as the longest option for blade length.

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.

Cold Steel Engage 4.0 — Blade length: 88.9 mm (3.50 in)Cold Steel Engage 4.0 — Overall length: 208.1 mm (8.19 in)Cold Steel Engage 4.0 — Closed length: 119.13 mm (4.69 in)Cold Steel Engage 4.0 — Blade thickness: 3.81 mm (0.15 in)Cold Steel Engage 4.0 — Weight: 187.1 g (6.60 oz)Cold Steel Engage 4.0 — Retail price: US$229.99Zero Tolerance 0550 — Blade length: 89 mm (3.50 in)Zero Tolerance 0550 — Overall length: 206 mm (8.11 in)Zero Tolerance 0550 — Closed length: 118 mm (4.65 in)Zero Tolerance 0550 — Blade thickness: 4.1 mm (0.16 in)Zero Tolerance 0550 — Weight: 164.5 g (5.80 oz)Zero Tolerance 0550 — Retail price: US$250Blade lengthOverall lengthClosed lengthBlade thicknessWeightRetail price
Price & carry
Retail price
US$229.99Cheapest
US$250Most expensive
Weight
187.1 g (6.60 oz)Heaviest
164.5 g (5.80 oz)Lightest
Dimensions
Blade length
88.9 mm (3.50 in)Shortest
89 mm (3.50 in)Longest
Overall length
208.1 mm (8.19 in)Longest
206 mm (8.11 in)Shortest
Closed length
119.13 mm (4.69 in)Longest
118 mm (4.65 in)Shortest
Blade thickness
3.81 mm (0.15 in)Thinnest
4.1 mm (0.16 in)Thickest
Materials & mechanism
Blade steel
CPM S35VN Stainless Steel
CPM S35VN stainless steel
Handle material
Black G10
G10, titanium, stainless steel
Finish
Satin
Stonewash
Lock type
Atlas Lock
Frame lock
Opening method
Dual Thumb Studs
Flipper, thumb stud
Clip type
Ambidextrous stainless steel tip-up pocket clip
Ambidextrous 4-way steel pocket clip
Use case profile
Best for
Everyday carryDaily cutting tasksOutdoor adventures
Hard useTactical applicationsEveryday carry
Not best for
Unknown
!Lightweight use!Fine slicing
Common praise
Exceptional edge retentionCorrosion resistanceDurability of handle materialSmooth blade deploymentAmbidextrous operationSecure lock mechanism
Durable build qualityExcellent edge retentionSolid ergonomicsAmbidextrous opening options
Common complaints
Unknown
Detent is excessively strong making blade opening difficultHandle G10 scale pattern is polarizingWeight may be heavy for some users

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