This is a chrome electric guitar-style bridge plate, with a cutout perfectly sized for full-size humbucker pickups. This bridge plate has 6 adjustable string attachment points, and comes with five chrome mounting screws. These are beautiful metal pieces, great for solidbody electric guitars, cigar box guitars and more! The plate size is 4" from front to back and 3 1/2" from side to side. The pickup opening is 2 3/4" wide by 1 1/2" high, perfect for a standard-sized humbucker.