●Classic style standard size bridge, applies to many 4 string electric bases, top load (string) ●String pitch: 0.7 inches (19 mm), distance between 5 mounting screw holes: 0.7 x 0.1 inches (17.5 x 4 = 70 mm) ●Steel plate and brass saddle, good finish and gloss. Firm and durable to improve sustain ●Classic barrel saddle design, perfectly reproduces the sound of the vintage base bridge that was worn on the original musical instrument. Good choice for upgrading the base bridge ●Package includes: 1 piece base bridge, mounting accessories included