SoundKing TADAPT Adjustable Truss Adaptor 150 - 350mm. 35mm Socket
Allowing many speaker and lighting stands to be converted for use as truss supports, this Adaptor has an adjustable width of 150-350mm, coupled with a standard 35mm Socket for attachment to a base. 

SoundKing TADAPT Adjustable Truss Adaptor 150 - 350mm. 35mm Socket
Allowing many speaker and lighting stands to be converted for use as truss supports, this Adaptor has an adjustable width of 150-350mm, coupled with a standard 35mm Socket for attachment to a base.