they are 20mm deep if that helps and thay fit any of these
Nitro 3 Evo,Nitro 3 Evo +,Nitro 3 18SS +,Nitro RS4 3 18SS,Nitro MT 2,Nitro MT2 G3.0,Nitro MT 2 18SS,Nitro MT2 18SS +,Nitro 3 SS,Super Nitro Rally,
Super Nitro RS4,Nitro RS4 3,Nitro MT,Nitro Rush Evo,Nitro Rush,Prodrive Limited Edition Nitro 3