Single Fibreglass Tent Pole Section 11mm in diameter & 800mm long. the full length including the metal connector is 850mm If you should break a tent pole then you will need one of our replacement pole sections. Poles come in a variety of diameters & lengths, so check to see if you are buying the right one before you place an order. We stock most diameters & lengths on our website so you should be able to find the right one.