Genuine domestic product! You can choose M/L strap pins according to your instrument! (S size is currently out of stock and on order) Specifications ◆ Model Name: S-Locks ◆ Finish (Color): BC / Black Chrome ◆ You can choose M or L for the strap pin. (If not specified, we will prepare M size.) ◆ Contents: End pin (strap pin), felt washer, strap lock, lock wheel, 2 of each ★ Schaller, the world's first to release "Security Lock," commonly known as lock pins! While there are many similar products on the market, due to its structure, it is designed to be extremely resistant to loosening, making it the lock nut that is least likely to cause your instrument to fall. Its high precision also prevents metallic clicking or squeaking noises, making it usable for recording. The point is that it prevents accidental drops while being easy to remove! For second and subsequent instruments, you can simply purchase additional pins to easily attach and detach your strap with a click. Instrument changes during live performances become smoother. This is a professional-use product that many musicians attach to all their instruments. ★ Size selection available! By purchasing according to the size of your instrument's strap pin, you can reduce the need for extra processing on your instrument, lessening the burden and making installation easier! Please let us know your desired size via message after purchase. You can check the detailed dimensions of each size from the product images. If not specified, we will provide size "M". ★ Color is Black / Black Chrome Product photos of parts etc. are of the "Chrome" color. They are identical except for the color, so please use them to check the shape and accessories. ★ "SCHALLER" A musical instrument hardware manufacturer near Nuremberg, Bavaria, Germany. With robust construction utilizing Germany's world-class metalworking technology, innovative ideas, and a beautiful, traditional design with a sense of luxury, it is adopted by world-renowned top manufacturers such as Martin, Fender, Gibson, and Taylor. ★ "Strap Lock Pin" A completely new technology developed and patented by SCHALLER in 1981. Securely fixes your precious instrument and strap. Protects against drops and improves instrument maneuverability during live performances. Allows you to concentrate on the stage with peace of mind, even with intense stage presence. #SCHALLER