Ideal for some electric guitars like Epi SG, ESP, fits neck and bridge humbucker pickup Outside dimension: 94x44.5mm (3-45/64x1-3/4 inch); Inside dimension: 71x39mm (2-51/64x1-17/32 inch), mounting screw holes spacing: 81x37.5mm (3-3/16x1-15/32 inch), thickness: 3mm (1/8 inch) and 5mm (13/64 inch) Made of aluminium alloy with precise digital CNC processing technic, stable, durable and anti-corrosion Flat bottom and beveled rounded edges top Package includes: 2 pieces pickup rings (3mm+5mm) with mounting screws UPC 194296040816 ASIN B0FYCNSX2K Color Gold Set Name Electric Guitar Humbucker Pickup Rings Set (2pcs, 3mm+5mm) Brand Name Musiclily Instrument guitar Unit Count 2.0 Count Manufacturer Musiclily Material Type Aluminium Alloy Instrument Size 94x44.5mm Included Components 2 pickup rings (3mm+5mm), mounting screws String Material Type Aluminium Alloy Manufacturer Part Number MX3678GDMX3679GD Guitar Pickup Configuration H