This is the 3M Scotch Clear Duct Tape. FEATURES: Last 6 times longer than other heavy duty duct tapes Can be used for repairs on corrugated model airplane components Strong and easy to use, indoors or outdoors INCLUDES: 1.88" x 20yd (47.7 x 18.2m) roll of 3M Scotch Clear Duct Tape SPECS: Length: 20yd (18.2m) Width: 1.88" (47.7mm) COMMENTS: Do not use on flues, chimneys, mufflers or tailpipes. jxs 6/13/06 ir/jxs