The Rio Powerflex Tippet Guide Spool Is Made From A High Tech Co Polymer Material, Giving It Excellent Knot Strength. A Ptfe Coating Protects From Abrasion, While Giving It Elongation (Stretch) Properties That Average About 26%. Available From 7 X To 0 X, The Powerflex Is Perfect For All Species. Its Light Grey Color Provides Superb Camouflage In The Water.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }