FINNSUB 6 mm Steel Backplate
The 6 mm thick backplate made of high-quality polished stainless steel is designed primarily for technical diving in a drysuit. With a weight of 4.4 kg, it allows the diver to significantly reduce the amount of lead weight on the belt or in pockets, improving overall trim and weight distribution on the body.
Construction and Finish
- Material: AISI 316 stainless steel, polished to a mirror finish
- Thickness: 6 mm
- Hand-finished surface with state-of-the-art shiny gloss
- Multiple fixture points for single or double tank mounting
Compatibility
The backplate is fully compatible with all FINNSUB FLY harness systems – COMFORT, DIR, DIR ADJ, and ULTRALITE. It can be combined with any wing from the FLY range to create a complete BCD assembly.
Technical Specifications
| Material | AISI 316 Stainless Steel |
| Thickness | 6 mm |
| Weight | 4.4 kg |
| Dimensions | 40 × 26 cm |
| Surface finish | Polished mirror finish |
Who Is It For
Ideal choice for technical divers who dive in drysuits and need a heavier backplate to reduce the amount of external ballast. The 6 mm thickness provides maximum rigidity and stability for the entire system.
Gallery

