mosrite pickups after the 50s usually came in several ways through mosrite's history, none with metal casing; 1: the large single coil similar to (but not the same as) a p90, 2: a cheaper version of the first pickup that showed on cheaper models (celebrity iii, mark v,) 3: a cheaper strat-width pickup only found on the first iteration of the ventures ii and 4: a mosrite humbucker mostly found on some 1970s models.