Available in: Bright chrome and gold-colored, without lyre;Mounted nylon shaft (black) on solid steel shaft (chrome-plated);Shafts: Distance 35 mm, diameter nylon shaft 9.5 mm, length nylon shaft 25 mm, total length from plate inside 29 mm, bore 2.5 mm;Acrylic knobs screwed on;Original equipment on various Manuel Rodriguez guitars;Reduction ratio 18:1;Supplied as a set incl. mounting screws;