TV Jones RAY BUTTS Ful-Fidelity Filter'Tron Bridge - Original Gretsch Mount – USP cover / Chrome colorThis is a bridge (rear) pickup for the "Ray Batz Fulfidelity Filtertron" model that reproduces the early Filtertron pickup by the developer of GrechRey Batz aims to alleviate all the flaws of the pickup at the time, such as realizing a true high sound tone and reducing external noise. The pickup is a complete representation of this idea. Like that time, the bobbins are not potted, the metal cover is easily removed and stamped with the words "PAT.