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Zero Tolerance

Zero Tolerance 0551

The Zero Tolerance 0551 is a premium quality folding knife designed by Rick Hinderer, featuring a stonewashed Elmax blade, titanium and G-10 handle, and a strong frame lock mechanism. It is known for its durability, ergonomic handle, and reliability in everyday and tactical use.

Last updated

Weight162 g (5.71 oz)
PriceUS$275
Blade steelElmax
Lock typeFrame lock
Technical Specs

Specifications

CategoryFolding Knife
Blade length89 mm (3.50 in)
Overall length206 mm (8.11 in)
Closed length117 mm (4.61 in)
Blade thicknessUnknown
Handle materialTitanium & G-10
FinishStonewashed
Opening methodThumb Stud
Clip typePocket clip (tip-up, reversible for left/right, tip-up or tip-down carry)
Carry Profile

Best for

Everyday Carry (EDC)Hard Use KnifeTactical Situations
Field Signals

Common praise

High quality fit and finish

Very strong and durable steel (Elmax) blade

Robust titanium frame lock

Ergonomic handle with textured G-10 scale

Ambidextrous thumb studs for easy opening

Reversible pocket clip for varied carry options

Blade is sharp and holds edge well

Knife is sturdy and solid, suitable for heavy use

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Common complaints

Relatively heavy at 162 grams, which might not suit all users

Price is on the higher end for folding knives

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