Humbucker Pickup Cover 52mm pole spacing Made in USA NON-plated raw nickel-silver cover.Not all humbucker covers are made of nickel-silver.Pickup covers made of nickel silver are the most transparent sounding. These are raw bare nickel-silver covers and do not come polished.May show minor scuffs and scratches.One of the pictures shows a sample partially buffed with a buffing wheel. Great way to get that aged look. 52mm E to e measured center to center pole spacing.Please verify this measurement before ordering.Overall dimensions are 2.75" x 1.5" x .635" (69.7mm x 38.1mm x 15.9mm) Qty 1 pickup cover