Non-Conductive Multi-Groove Fiberglass Fishtape, 100 ftMulti Groove Fiberglass Fish Tape with Nylon Tip, 100 Foot Multi groove fiberglass fish tape has a strong core for better pushing power while the grooves provide less surface area for smoother tape feeding Case design decreases payout effort and friction by optimizing the tape payout angle Slip resistant housing geometry improves winding power and reduces binding Multi position handle gives you a firm, steady grip as you pull or rewind the tape