HERCULES STANDS GSP39WB PLUS, guitar wallmount with auto grab system, short arm, turnable element, with metal plate to fix at the wall, incl. screws, not recommended for guitars with nitro laquer! Arm Length: 105 mm (4.1"). Load Capacity: 7 kg (15.4 lbs.). The new AGS yokes allow to use it with narrower neck instruments as like mandolin, banjo and ukulele. It is available to use between 40-52mm width of neck instruments.