The 4Diving SUB 15 D is a dive knife from the Sub line, designed for underwater tasks. Its 15 cm blade is made of W 1.4116 stainless steel with a hardness of 55-56 HRC and a thickness of 3.8 mm.
- Blade material: W 1.4116 stainless steel
- Blade hardness: 55–56 HRC
- Blade length: 15 cm
- Blade thickness: 3.8 mm
- Total length: 28 cm
- Handle material: polypropylene (PP)
- Weight: 150 g
- Series: Sub line









