Standard Sizes Pipe Cap - Inside Diameter - 21.3 mm | 0.840 in ; Inside Height - 21.5 mm | 0.845 in ; Black

Protects threaded or non-threaded pipe ends. Sized and designed for positive-gripping power over the outside diameter of the pipe. Eliminates foreign materials from entering the pipe. Lightweight option with internal rings for reinforce positive-gripping power.