Perfect for Acoustic Guitar, Classic Guitar, Electric Guitar, Ukulele
Outer Diameter: 0.5 inch (12 mm), Height: 0.4 inch (10 mm), Mounting Screw Hole Diameter: 0.1 inch (3.7 mm)
Made of steel, it is stable and durable, looks beautiful and tough enough to stand up to road life
Easy to install and convenient to use
Package includes: 2 pcs strap pins, felt washers, mounting screws