Labor Saving Devices 25ft. Stainless Steel Under Carpet Fish Tape is intended for running low voltage wiring between a carpet and pad. The metal tape is constructed of a high grade stainless steel, 3/4" wide by 25ft. long and comes in a durable plastic storage case. A curl on the leading end provides a non-snag tip to tunnel under carpet to your destination - even over waffle type padding. Both ends have attachment points for wiring or pull cord.