Davis Air-Flow Tels Set of 14 - Made Of Lightweight, Ripstop Nylon

Air-flow tels. Lightweight, ripstop nylon air-flow tels attach to sails with waterproof adhesive locator discs. No holes required. Tels show the air flow across the sails - allowing you to trim sails for maximum performance. Each kit includes 14 tels and full instructions on where to apply them and how to read them. Manufacturer: davis instruments. Boat outfitting-sailing,marine instruments-instruments - windload equivalence # (len) = none. Screen size = none. Shape = none. Transducer type = none.