Aged Kluson® replacement for Gibson® Melody Maker®, Les Paul®,Les Paul jr.®, SG®. Key dimensions- total center to center distance of all 3 posts- 2 3/4 in., center to center distance between posts - 1 3/8 in., length of baseplate- 4 1/4 in., post height- 1 in., drilled post, single hole, post dia. 6 mm (.236 in.) This is a complete set and comes with both left and ride side tuners. Also comes complete with bushings and mounting screws.