Cressi Apena 9 Knife thickness-4mm easy breathing at any depth

easy breathing at any depth — reduces breathing effort as you go deeper

Rinse thoroughly with fresh water after every dive and apply a light coat of oil to the blade to prevent corrosion and extend the tool's life

and advanced functionality

Light tends to cause oxidative stress and lutein (pigment) deterioration

drift dives and other situations where a clear surface marker is essential

Cressi Apena 9 Knife thickness-4mm easy breathing at any depthThe MAC Apnea 9 BE or 9 SS Knife is a specialized knife designed for spearfishing and freediving enthusiasts. Crafted by MAC Coltellerie, a trusted name in knives, this knife combines durability, functionality, and safety features for use in challenging underwater environments. Key Features: Total Length: 18cm. Blade Length: 7cm Blade Material: The knife features a blade made from high quality nitrogen stainless steel coated in PTFE Black or uncoated,