30mmハーフカプラー照明クランプアルミニウム

30んん, 1/2 Coupler – A general purpose, medium profile lightweight yet strong clamp with hundreds of uses.
Features:
Aluminium construction
Supplied with hanging bolt
Fit tube size from 38~51mm OD
Convenient and fast to fix a large heavy light by this quick clamp
Fox fixing truss system,sound system or large heavy light
250kg SWL