Greenlee 11583 4-Foot Fish Stix Section Replacement Used with fish stix 12-Foot item number 540-12 Highly visible green color rods can be easily threaded together and seen when working above ceilings, down walls, or under raised floors 1/4-Inch, (6.4 mm) diameter fiberglass rods provide added rigidity when multiple sections are connected 200-pound (0.9 kN) minimum pulling strength for long lasting durability and peace of mind