The best splicers offer core alignment, fast splice times, durable designs, and smart features like cloud syncing and automated calibration. Fiber Optic Fusion Splicers are advanced tools used to permanently join two optical fibers through the application of heat. Get machines with rapid splicing and integrated diagnostic tools. We distribute fiber optic splicing equipment from Corning, AFL, Sumitomo, 3M, 3SAE, Fitel and more.