SCHALLER Tremolo Pivot Posts extensively for Floyd Rose Tremolos but can be used on most floating tremolos with a knife edge fitting. SOLD AS A PAIR. These pivot posts, also called tremolo studs and anchors, are made from hardened steel with a thread size of M7 x .5 fine thread. They are supplied as a set of two posts. As could be expected, these German made posts are of the highest quality and workmanship