1:performance:water level test 2:material:TPU,PE 3:conductor:copper , ... :unit:inch&feet The volume of oil cable,tape wire,Water level gauge cable,tape cable,tape wireStructure & Specifications:Conductor: ... main products are: Spring cable, spiral cable, PU reel, PUR slingshot line, spiral cable (spring line), YGC Silicone rubber cable, YGCP ... .5mm Circle 0-30m Sheath material LLDPE,PE,PU water test cable