Dunlop silk tennis string 16g 12m set the dunlop silk 16g tennis strings utilise fibres bonded with thermo elastic pu resin along with a pure dupont pa66 multi filament central core for extreme power whilst retaining comfort on each contact with the ball the tennis string give gut like playability and touch feel that is as smooth as silk tennis string gauge 16 130mm construction pure dupont pa66 multi filament central core profile super bonded polymer outer coating le