Hipshot Tremolo Technology means a full floating Bass Tremolo which stays in tune! Push your no wobble whammy arm down for deep bass swoons and growls! Pull back for bright poppy riffs! Gently rock back and forth feeling your tremolo's smooth, precise action for expressive singing bass vibratos. Computer machined from solid brass for incredible sustain and tone. Available in chrome, black and gold finishes. Comes with mounting hardware and instructions. Router templates are also available.