[Good for installing cables through straight piples]For installing cables, passing cables through straight piples[Non-rusting, non-magnetic]Guide rod set made of fiberglass cable; non-rusting, non-magnetic [Contains 10 rods with threaded connections]4 mm flexible acrylic connection, push and pull rods Comes with plastic storage case [Flexible to connect]Can be used individually or together for the desired length Colour: yellowMaterial: glass fiberSize: length about 33cm, diameter about 4mmPackage Contents:10 x threaded rods with connectors1 x flexible extender1 x traction auxiliary line1 x hook end pull1 x eye end for pushing2 x accessory screw sets1 x plastic storage boxOnly the above package content, other products are not included Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is +/- 1-3cm