Kluson? 6 In Line Locking Revolution Series H-Mount Non-Collared Tuning Machines With Staggered PostsThe Kluson? Revolution H-Mount 19:1 high ratio tuning machine. A traditional 6 in line footprint with contemporary sealed diecast housing.These state of the art tuning machines are designed to directly retrofit diecast tuning machines with a push-in bushing, traditional Kluson? 6 in line mounting pattern and modern 11/32 inch peghole. The vintage outline, metal oval button and pinstripes pay tribute to Kluson? heritage while the stylized one-piece housing encloses the features that modern guitarist demand. A 19:1 high gear ratio guarantees silky smooth operation and fine tuning stability with no backlash.Includes 6 in line tuning machine set for right handed instruments and all mounting hardware.Newly upgraded with staggered post heights. Staggered posts negate the need for a traditional string tree. By eliminating the string tree, the break point created on the string before the nut is also removed; increasing string life, resonance, and tuning stability.