The FinCap screed support system increases accuracy, saves time, and improves profit margins. The indestructible, non-metallic cap chair fits a 3/8 in. to 5/8 in. mounting structure and supports a nominal 1.5 in. or 40 mm screed pipe. It can be used with roller, hand, vibrating, wet, or truss screeds. Ideal for use on slab-on-ground, slab-on-deck, bridges, overlays, or roads. MAKO. 855-246-6256.