This complete bolt kit for sliding dropouts is supplied with four M8 x 1.25 x 16 button head cap screws, two M5 x 0.8 x 35 socket head cap screws and two M5 hexagon locknuts that are all made from zinc-plated steel.
Also included are two M5 thumbnuts made from brass. Use either the hexagon nuts or the thumbnuts, but not both.