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, FinlandCCS7-700 Coupler
Catalog number: CCS7-700 - Item code: 111200067The CCS7 conical coupler system is designed to offer a rigid and very strong connection between various truss types of the heavy-duty series. The conical shape and tapered pins create an optimal connection without the need of use force to assemble or disassemble. Only a hammer is needed to connect your trusses, offering remarkable assembly speed compared to other connection types.