VistaView CableTec Release Tool for VistaView 1/8" Cable Railing Assembly Kits and 1/8" SwiftCatch Fittings The 1/8" SwiftCatch Release Tool is required for releasing the cable from the SwiftCatch with the 1/8" VistaView Cable Railing kits. Tool slides into the SwiftCatch fitting and releases the cable from its grips. Recommended for installing 1/8" VistaView Cable Railing Assembly Kits.