The HERCULES GSP39WB PLUS stand automatically rotates to adapt to different shapes of guitars or basses, vertically and safely. It has a standard screw-in wall mounting system.
The improved AGS Auto-Swivel caliper allows for multi-angle adjustments while locking your instrument securely in place. It can fit a wider variety of instrument neck sizes from 40mm 52mm (1.57" 2.05"), including classical, acoustic, electric guitars and basses.
The included NINA (Narrow Instrument Neck Adjustment) attachment increases the thickness of the AGS arms to accommodate narrow-necked instruments such as banjos and mandolins. Adjustable from 28 mm minimum (1.10").