⭕ Pi Teletest Focus Guided Wave Testing Inflatable Collars and Multimode Modules. Under 9 months old. Teletest Focus testing equipment commonly for inspection and monitoring pipelines and tubular structures. 3 (three) One-piece collars 6 10 14, made out of state of the art carbon fibre reinforced Kevlar. 14 (fourteen) multi-mode modules accommodate five transducer elements. Includes all in pictures: 3 Collars 6 10 14. 14 Multimode Modules and two insulating rolls. Can help with delivery or local pick-up.