STM guitar roller bridge (for tremolo use), 10,6mm spacing, 14&;quot;radius, gold High-quality bridge for all Les Paul;* type guitars. Compatible with post spacings from 74.0 - 74.5 mm Adjustable for height, intonation and string spacing Low-friction roller saddles for excellent tuning stability –; perfect for Bigsby;* vibratos Comes with 2 different type saddle rollers to suit tone and string bending requirements: V-shaped for high strings and U-shaped for low strings Saddles are from brass Optional: 2 rollers per space for 12-string guitar Slant angle to be determined by guitarmaker based on scale length and string gauge. Installation: screws have to show to the pickups. (*Les Paul is a protected trademark owned by Gibson Musical Instruments Corporation, Bigsby is a protected trademark owned by Fred Gretsch Enterprises). technical specification distance height adjustment screws 74 - 74,5mm, string spacing E-e 48,5 - 57,5mm, string spacing individual 9,7 - 11,5mm, string radius 12; (usable for fretboard 12-16 inch), minimal G/d string height above body 12,5mm, maximum string gauge 52, weight 58g (90g with accessories), for lefty: no