Set was designed with a slightly longer pivot bolt & jam nut. Set consists of the following parts:
1.) Steel Adapter Plate in black oxide. 2-3). Adjusting screw and spring. 4.) Nickel-plated 10 mm bolt. 5. White Teflon pivot washer. 6.) Brass Jam nut.
Pictures are shown below with and w/out a Jubilee. Price is $44 plus shipping.