Description: Fully adjustable saddles for harmonics with smooth working rollers,complete with locking posts studs Super for increased tuning stability when you're using a Bigsby-but also often cure for string breakages Apply for Les Paul Epiphone Electric Guitar Supply with post and wrench Material: Alloy Size Chart: LxWxH: Approx. 74x17x11mm/ 2.91x0.67x0.43inch Package Includes: 1 Set of Tune-O-Matic Bridge with Post Wrench Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item Due to manual measurement, there may be 1-2mm error in size