level lighting truss c clamps product of top class aluminum alloy material, secure and sturdy with adjustable knob suits on most lighting fixtures.Widely use truss clamp and perfect fit for pipes OD of 1.18-2inch (30-52mm). whether it is 30mm, 40mm or 50mm diameter tube, it may be perfectly fixed.The clamp which with anti-skid enamel design, reinforce the fixation of the clamp between the tube, which is more firmness & security.Threaded bolt: 8mm, brief and straightforward to put in or remove, max load skill is 55LB / 25kg,Suitable for mini transferring head beam spot, led par light, led effect gentle and other dj lighting fixtures.Colour:silverMaterial:Aluminum alloyPackage Contents:10 x level light c clampsOnly the above equipment content, other merchandise aren't included.Note: Light mirrored image and varied reveals may cause the colour of the article within the photo slightly assorted from the genuine thing. The size allowed error is +/- 1-3cm.