Multi-Groove Fiberglass Fish Tape 100-Foot Klein Tools 56055 Multiple grooves molded into the fish tape provides less friction in conduit with or without wires for smoother tape feeding Durable 7-Inch spiral steel leader helps push through crowded conduit The 13-Inch case diameter means you can reel in 15-percent more tape in a single revolution vs. a standard 12-Inch case Raised finger grips help transfer 100-percent of the winding power from your hand and fingers The unique sloped handle optimizes the position of your hand for quick hand-over-hand rewinds and allows a more level payout of tape on the backswing while feeding conduit