●Like Japan and Korea made many import Strato-style guitar stock bridges, the 54mm interstringed pitch will fit many Tremolo bridges. Also fits many Wilkinson Bridge ●Saddle prevents string breakage, improves tone and sustain and helps keep guitar tuned. Individual saddle: 20mm long x 10.8mm wide Saddle Pitch: 0.4 inches (10.8 mm) ●Made of solid SUS stainless steel, long life We recommend upgrading your existing tremolo bridge to enhance sustain and smooth feel during play and make it look more modern ●The surface finish is slightly rough but has the original SUS steel feel. Includes wrench, screws, and spring to adjust saddle height ●Complete set of six saddles with intonation screws and springs