The Aetos hoist is a very nice product, maybe most significant new product for years
Lars Berge Multitechnic AS, NorwayCCS4-S15 Spacer
Catalog number: CCS4-S15 - Item code: 111200011Spacers are used to add or overcome a small size difference in your truss construction. Spacers can also be used to pre-tension larger truss spans.