IDEAL 31-010 50-FT FISH TAPE WITH CASE ÊCONVENIENT 7", 50-FT FISH TAPE CAN BE STORED IN A TOOL BAG; DURABLE, IMPACT-RESISTANT ABC CASE; EASY-TO-USE, THUMB-OPERATED REWIND; GREAT FOR DATACOMM & SMALL-SIZED CONDUIT APPLICATIONS; BLUED STEEL(TM) WIRE IS LASER ETCHED IN 12" INCREMENTS TO PROVIDE INSTANT LENGTH;ÊFINISH IS NON-OILY & RESISTS RUST; 1,600 LBS TENSILE STRENGTH