MAC Apnea 9 Skeleton Diving Knife, Mirror W 1.4060 (APN09)

Apnea 9 Gray Skeleton, Mirror professional, ultra-lightweight 85g compact backup diving knife with a full tang construction with line / tapes cutter, shackle opener and lanyard hole. Designed for both professional scuba diving and recreational diving, it is an excellent choice for freedivers, spearfishers, and underwater professionals. Made of W 1.4060 nitrogen stainless steel, it provides excellent corrosion resistance, durability and cutting efficiency. The 7-centimeter blade is long enough to easily cut anything you need underwater. The blade also features a shaft removal tool. The high-performance blade, a comfortable handle and a low-profile scabbard with a secure locking mechanism make the Apnea 9 an essential piece of equipment during any diving expedition. 

1.4060 (MA5 / X35Cr16N) - martensitic, nitrogen stainless steel with high hardness. A conventional stainless steel, MA5 steel (X35Cr16N standard AFNOR / 1.4060 standard Wnr) is similar to X46Cr13 steel. Its main advantage is that it offers excellent corrosion resistance, as well as better hardness after heat treatment. Hardness and strength are characteristics of the universal grade. Heat treatment of MA5 / X35Cr16N / 1.4060 steel allows it to achieve high hardness (up to 60 HRC), while being resistant to aggressive marine environments.

Regular maintenance of 1.4060 stainless steel (MA5 / X35Cr16N) prevents the formation of deposits and maintains its luster. It also facilitates the removal of spots and tarnishes. Cleaning should be done before there is a visible layer of dirt or fingerprints, so the danger of permanent discoloration of the steel surface is minimized. For cleaning, do not use agents that contain: chlorine, salt, acids and bleach.

Blade – Dagger type, double-edged, featuring exceptional cutting properties with a flat grind. One edge is fully plain, while the other is serrated, ending near the tip with a small plain section. The unique serrated edge consists of an alternating pattern of one large tooth followed by two smaller teeth. This pattern increases the cutting edge length by up to 24% compared to a plain edge, making it ideal for aggressive cutting of hard materials, synthetic substances, and fibrous objects like ropes and nets. A profiled cutout in the blade serves as a lever for prying nails or screws underwater. The blade is polished to a refined finish. The blade should be rinsed with fresh water and lubricated after use.

Handle - an extension of the blade, in silver. For a better grip, the edges have been cut and the throat area has been covered with jimping. The steel hilt and ergonomic shape of the liners prevent the hand from slipping while working on the blade.

Sheath - made of hard PP polymer with holes for drainage of water, moisture. The holster is equipped with a latch to prevent the knife from slipping out in water. The sheath comes with two rubber straps and two polymer buckles allow for attachment of the sheath to the arm, on the leg, or vest.

Technical data:

Product number: APN09
Product name: Apnea9

Overall length: 180.0 mm / 7.08"
Blade length: 70.0 mm / 2.75"
Blade thickness: 4.0 mm / 0.15"
Handle length: n.d.
Handle thickness: n.d.
Weight: 85.0 g / 2.99 oz

Blade material: Nitrogen Stainless Steel - W 1.4060
Blade hardness: 56-58 HRC
Blade grind: Flat
Blade finish: Mirror

Handle material: Nitrogen Stainless Steel - W 1.4060
Handle finish color: Gray

Sheath (holster): PP (polyethylene)
Additional accessories: 2 straps and 2 buckles

Designer: MAC
Brand: MAC Coltellerie
Manufacturer: MAC Coltellerie
Country of origin: Italy

Development: the Sharg® company