The best non-locking tremolo on the market today. Patented "Blade" technology, frictionless action, and a positionable whammy bar. The BladeRunner maintains the classic trem style, but out performs all other non-locking tremolos. The BladeRunner is designed for Stratocasters and Stratocaster clones in six screw or two-post configurations. String spacing is 2.1” – works perfect for both vintage and modern string spacing. Kit comes complete with bridge, bar, mounting screws, and springs. Available in right or left handed, Triple Nickel, Gold, Black Nickel or Hot Rod finish. Simple installation in minutes. US Patent #7,297,851.