HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Swimerz Heat Shrink Tubes Come In A Variety Of Sizes And Colours That Can Be Cut To Length. The Length Of Tube Should Be Long Enough To Come Down The Shank Of The Hook As Well As Covering A Suitable Length Of The Cord. The Diameter Needs To Be Large Enough To Slip Over The Hook Eye And An Overhand Knot. Made To Iso9001 Quality Standards Swimerz Heat Shrink Tube Has A Shrink Ratio Of 2:1 (1/2 Of It’S Diameter) At 70-110 Degrees C. Using A Hot Air Device Such As A Hair Dryer Or Paint Removal Tool Is All You Need. Available In A Range Of Colours And Diameters In 50Mm Lengths Suitable For Use With A Range Of Different Hook Sizes And 8 10Mm Diameters For Other Uses That Require A Wider Diameter Tube In 100Mm Lengths.