The adjustable depth stop prevents countersinking too far. The stop can be perfectly adjusted for the respective screw head.
With the fischer spacer FTA-V, decking boards of any size or wood type can be installed easily, quickly and with precision. It creates a uniform installation pattern for the boards without additional tools.
Furthermore, it guarantees spaces between the boards and support rails required for good ventilation. This ensures that any waterlogging that may have occurred can dry out. About 15 - 20 pieces are needed per m², depending on board width.