These are stainless steel M8 (8mm thread) T40 torx button head screws. Perfect for screwing your foil plate to you board. PLEASE CHECK LENGTH REQUIRED.
High quality footstrap screws. Marine Grade A4 stainless.
These are blunt end, PZ2 and measure 27mm under the head. An upgrade to the standard Cobra screws.
Most windsurf boards use these and many directional kitesurfing boards do too.