Enhance your signaling tower and beacon installations with the ABB SK 615 516-1 Spacer. This essential accessory provides a 1mm spacing solution, ensuring proper alignment and functionality for your pilot and signaling devices. Designed for modular plastic compact signaling towers and beacons, this spacer is a reliable component for electrical distribution systems..The ABB SK 615 516-1 is a 1mm spacer designed for use with modular plastic compact signaling towers and beacons. It functions as an accessory within the Operator and Pilot Lights product class. The product is made in China and has a gross weight of 0.25 kg and a product net weight of 0.25 kg.