Kluson Vintage Steel Block Tremolo Bridge, Modern Narrow Spacing, BlackManufacturers Part Number: KNTSBThis new version of the Kluson Vintage Steel Block Tremolo Bridge is a beautiful replica of the traditional vintage tremolo, but with a modern twist. Kluson has modernized the bridge by incorporating a contemporary 10.8 mm string spacing while still using the original 2 7/32 inch 6-screw mounting hole pattern. This direct replacement for vintage Fender tremolos requires no additional modification to install and easily converts wide-spaced (11