1970 Martin D-18 nut 1 7/16" The D’Addario Acoustic CinchFit is

The D’Addario Acoustic CinchFit is the fast and easy way to attach your strap to acoustic guitars with end pin output jacks

providing a flat vertical surface to which the magnets can adhere

The decorative caps are missing from two of the four knobs

The simple knob functions give you control over the Volume

Every musician battles hum in their signal chain

1970 Martin D-18 nut 1 7/16" The D’Addario Acoustic CinchFit isLookin' for a dread with tons of character, that plays easy and has that classic vintage Martin sound? Look no further! This 1970 D 18 is a treat for the ears. Fully refurbished by master luthier Pat DiBurro, this guitar was given the royal treatment, new frets, a neck reset and a good buffing. Someone even lovingly replaced the bridge pins with ebony with abalone dots and installed a fine ebony strap button at the heal of the neck so it is bluegrass