Sizes:
M54-1016 – 3/8’’ x 5/8’’ x 3/4’’ (Suits flexible handles)
M54-1319 – 1/2’’ x 3/4’’ x 1’’ (Suits swing bearing, clatter bridge bearings & balance disc walk verticals)
M54-1925 – 3/4’’ x 1’’ x 1’’ (Suits see saw rockers)