Most commonly used for strap buttons on most guitars. Might not fit Gibson guitars because Gibson sometimes uses different sized strap buttons.
Length FMS: 1 1/4"
Head: Countersunk / Oval
Tech's notes: "Screw and spring sizes/types are NOT standardized throughout the entire guitar industry. Don't just go by the product names. ALWAYS double check the specifications to ensure this is the correct part for your needs."