1EXCELLENT PERFORMANCE: The electric bass bridge feature a heavier, thicker base plate with a sturdy, through string, excellent tailpiece for added extended sound 2APPLICABLE SCENARIO: 4 string retro style bass bridge equipped with saddle for top load or string through body jazz bass and accurate bass upgrades 3STABLE FIXING: Four round rod type saddles, each adjustable for tone and action height, and all height screws have dents in the bottom plate to avoid lateral movement when lowered 4COMPLETE ACCESSORIES: The electric bass bridge is easy to install with five setting screws and an hex wrench for adjusting height, very convenient 5APPLICABLE MODEL: 4 string electric bass bridge is suitable for P Bass, for J Bass style bass and many other style of bass, useful and practical 1 x Electric Bass Bridge 5 x Screws 1 x Hex Wrench