The L & XL cable guides fit truss 30 as standard and can be mounted using the included U-bolts.To mount these guides on truss 40, this matching adapter set is required.The set includes:an adapter for the lower hinge two adapters for the catch armsthe M8 bolts and nyloc nuts needed for the installationNote: The lower hinge and catch arms are not included in this set.SpecificationsColourblack gloss 30% (RAL 9005)Width435 mmFor trusssquared and triangular trussMaterialsteelFinishpowder coatedWeight4.83 kg