A set of humbucker pickups 15 K dcr bridge and 12 K dcr neck, Alnico 5 magnets  and supplied with rings, standard size humbucker so easy upgrade for many guitars  C.E.M pickups have 16 versions of pickups for sale.

This design produces the classic UK sound of the 70,s and the process of cryogenics  is  an improvement on standard design.