This sale is for a new reproduction pair of contact point threaded inserts to fit Bosch magnetos. These will fit ALL Bosch magnetos such as ZEV, U, DU, DAV, FU, AB, and all other mags with winding in armature. These mags in turn fit a huge amount of early machines such as automobiles, motorcycles, tractors, and gas engines. Made in USA. Please see pictures and ask questions if you have them. We describe our items as accurately as possible. We do not know everything, so look at the photos as well as reading description completely. I will ship internationally and will combine shipping on multiple purchases.