Ideal 31-061 S-Class Nylon Jacketed Fiberglass Leader End Tuff-Grip Pro Fish Tape, Blade 3/16" Diameter, 100' Length, 0.06" Thick 500-Pound tensile strength Large handle increases stability for better winding control Non-slip handle and fingertip grooves provide secure grip for added handling comfort S-Class fiberglass fish tape features non-conductive core and outer nylon coating