I started working with an ST roof system back in 2000, it was one of the first ones Prolyte made. I've been using Prolyte ever since
Jon Reeves JDR Rigging, FinlandH40L-C002F 2-Way Corner 60° Flat
Catalog number: H40L-C002F - Item code: 111040064H40 Series truss is constructed of main tubes (48,3 x 3 mm) and diagonals (20 x 2 mm). Equipped with the CCS6 conical coupling system, the H40 truss is fast and easy to assemble. The H40 offers extra strength, next to its flexible application possibilities and is the ideal solution for the event or exhibition market. H40 truss is available in ladder, triangular and square profiles and a range of corners and accessories.