A Pair of P-90 Dog-ear Guitar Pickup Covers 50/52mm Pole Spacing, Cream 4-11/16" x 1-5/8" x 7/16" (119.06mm x 41.28mm x 11.11mm) overall Raised area covering the pickup coils is 3-3/8" long (85.73mm). Mounting screw spacing : 3-13/16" (96.84mm) Polepiece spacing : 50mm and 52mm (2" and 2-1/8")