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Marine B91/5 Blue, a folding sailor's knife with shackle by the Italian company MAC Coltellerie. Sits securely even in large hands. Number of tools (2) and functions (4).
Blades - additional functions:
- main blade, length 85 mm, Slip Joint lock
- shackle remover (sailor's wrench) for unscrewing / tightening shackles
- other: cap opener, marlin spike
1.4028 (3H13, X30CR13) is a martensitic, chromium steel grade of the group of stainless steels intended for hardening and tempering. Steel is included in the list of related equivalents - 0H13, 1H13, 2H13 and 4H13 - a group of materials without Nickel, containing an average of 13% Chromium, which are distinguished mainly by the carbon content in the chemical composition, and thus higher strength properties. The differences have a significant impact on the possibility of obtaining particular hardness ranges and the level of corrosion resistance, where 3H13 / X30Cr13 is a balanced choice between 2H13 and 4H13.
The blade - with a thickness of 2.5 mm. Made of chrome stainless steel, martensitic with good polishability W 1.4028. Blade of the barefoot knife hardened in the range of 53-54 HRC. Used in the production of knives that have prolonged contact with water or moisture. Serrated blade of Serrated type has Full Flat grind. The blade consists of one large and three small alternating teeth called three-step teeth. This pattern increases cutting edge length by up to 24% over a straight blade. Traditional Slip Joint lock.
Handle - bright blue for easy finding. Covered with non-slip textured PP polymer liners. Ergonomic shape of the linings prevents your hand from slipping while working.
Product number: MC B91/5 BLU
Product name: Marine B91/5 Blue
Type of steel: W 1.4028
Blade hardness: 53-54 HRC
Blade length: 85.0 mm / 3.34"
Blade thickness: 2.5 mm / 0.10"
Overall length: 185.0 mm / 7.28"
Weight: 100.0 g / 3.52 oz
Cutting edge type: Serrated
Handle material: PP
Manufacturer: MAC Coltellerie, Italy
Developed by: Sharg® Company