Hi-Fi Racks & Mounts Hercules

The HERCULES Speaker Stand Adapter SS100B is safe and secure and fists speaker mounts from 35 mm - 40 mm (1.38" - 1.57").NOTE: If the Speaker Adapter is not weighted down by the speaker, please turn the top knob counter-clockwise to extend the adapter length. Effect insertion length 90 mm - 110 mm (3.54" - 4.33").