Domestic genuine product! You can select the strap pin from S/M/L to match your instrument. Specifications ◆ Model name: S-Locks ◆ Finish (color): Ni / Nickel ◆ Strap pins are available in S, M, and L. (If not specified, we will provide M) ◆ Contents: End pin (strap pin), felt washer, strap lock, lock wheel, 2 each ★ Schaller, which released the world's first "Security Lock" (commonly known as lock pin)! Although there are many similar products in the world, Due to its structure, it is designed to minimize loosening. The lock nut is the least likely to cause the instrument to fall. High precision and no noise such as the clatter and squeak of metal rubbing against each other, so it can be used for recording. The point is that it prevents accidental drops, but it's easy to remove! For instruments after the second one, you can simply purchase the pins. You can easily replace the strap with a click. Instrument changes during live performances are smoother! Many musicians who have this on all their instruments use this professional product. ★ You can select "Strap Pin" from S, M, and L! If you purchase according to the size of the strap pin of your instrument, There is no need for extra processing on the instrument, reducing the burden and making installation easy! Please tell us your desired size via message after winning the bid. You can check the detailed dimensions of each size from the product image. If you do not specify, we will use the "M" size. ★ Colors are Nickel / Nickel The product photos of the parts are in the "Nickel" color. Except for the color, they are exactly the same, so please refer to them for the shape and accessories. ★ "SCHALLER" A musical instrument hardware manufacturer near Nuremberg, Bavaria, Germany. Adopted by top manufacturers around the world such as Martin, Fender, Gibson, and Taylor, due to its robust construction using world-class German metalworking technology, innovative ideas, and a beautiful, traditional design with a luxurious feel. ★ "Strap Lock Pin" A completely new technology developed and patented by SCHALLER in 1981. Firmly secures your precious instrument and strap! Protects from drops and improves instrument operability during live performances! You can concentrate on the stage with peace of mind even during intense staging. #SCHALLER