The Predathor knives are designed to be extremely compact and versatile, making them ideal for use during apnea and freediving. The total length, including the scabbard, is 16 cm, making them easily transportable. The blade is made of 420 stainless steel, with a double-edged blade that includes a smooth part and a serrated part, offering versatility in various operations. The quick release system allows immediate access to the knife when needed. Their versatility extends to the opportunity to be attached to forearms, arms, calves or belt for added convenience during diving activities.