Product function: fixed plate groove and hydrofoil base Hydrofoil T-nuts, hydrofoil T-nuts for all hydrofoils Product Name: Hydrofoil Screw Color: Gold Material: Brass Package Contents: 8 x Hydrofoil Screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.