Vertical, 3 Treble and 3 Bass, Set of 6 The Original Grover® Sta-Tite™ machine head. The classic styling of the Sta-Tite™ returns with the Grover® name. The butter bean button identifies this as the original. A 14:1 gear ratio provides precise tuning. Available in chrome, gold or nickel finish with a horizontal or vertical string post in 3+3 configuration. Wood screws, washers, and bushings included.