The HERCULES Auto Lock Speaker Stand SS410B features the Quick-N-EZ Auto Lock System, the EZ Adaptor pole top, the built-in metal leg housing, all-aluminum tubes, and a safety pin for security.

Features:

• The Quick-N-EZ Auto Lock offers one touch height adjustment securing stand when raised and releases easily and quickly.
• The Quick-N-EZ Speaker Adaptor expands from 35 mm - 40 mm (1.38" - 1.57") to fit the speaker stand mounts. Maximum load capacity to 50 kg (110.2 Ibs.).
  

NOTE: If the Speaker Adaptor 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").