S & K Mfg. Purple Martin American Barn 12' Expandable Round Pole Nine sections of pole provide doubled layered strength all the way up the pole Rope glide system that makes it easy to maintain your bird house Designed for use with the American Barn (Item# 169286) and Heaven Haven (Item# 169287) birdhouses 12-ft.L, 1.9in. O.D. &#160;Made of 19-ga. steel