Descriptions:Thesenon-conductive fiberglass rods can be screwed together to form longer lengths for running wire through walls, attics, crawl spaces, sub-floors, and suspended ceilings.Features:For running wire through walls, attics, crawl spaces, sub-floors and suspended ceilings.This item includes 10 rods with threaded brass connectors, flexible acrylic connection, brass push and pull rods.This fiberglass rod diameter is 4.0mm, great for installing cable.Flexible connection and splicing according to the required length.It is adopted of high quality glass fiber, excellent insulating property. Specifications:Material: Fiberglass, brassColor: YellowSingle rod length: 33cm / 13.0inchDiameter: 4.0mm / 1.57inchWeight: Approx. 178gPackage included:10 x Rods with threaded brass connectors1 x Flexible acrylic connection1 x Brass hook end for pulling1 x Brass eye end for pushing