Mini Humbucker Pickup Mounting Rings for bridge and neck pckups ,Curved Bottom Cream (Set of 2) Outside dimension: Approx. 3-11/16" x 1-6/16" / 94 x 34.5mm Inside dimension: Approx. 2-11/16" x 1-2/16" / 68.5 x 28.5mm Two pickup screw Holes Distance: Approx 3" / 76.5mm (center to center) Mounting Hole Distance: Approx. 3-6/16" x 1-1/32" / 85 x 26mm (center to center) Plastic /Cream(Light) /Curved Bottom