Guyker String Headless Guitar Bridge String Lock Nut Style:7 String Material: Zinc alloy baseplate and

Material: Zinc alloy baseplate and zinc alloy saddles

8mm max string gauge support

The hardtail build of the FB120 helps stabilize the strings and prevent string slippage

This tuner is designed for 10mm headstock holes

Overall the knob is 20mm in diameter and 24

Guyker String Headless Guitar Bridge String Lock Nut Style:7 String Material: Zinc alloy baseplate andSpecifications: String Lock Options: Available for 6 string, 7 string basses and 8 string basses. Dimensions (6 String): Length: 42mm Width: 20mm Height: 9mm String Spacing6. 6 7. 5mm Dimensions (7 String): Length: 48mm Width: 20mm Height: 9mm String Spacing6. 6mm Dimensions (8 String): Length: 54mm Width: 20mm Height: 9mm String Spacing6. 1 7mm Size Picture