Set of 12 Precision Telescopic Boundary Poles Product Features:. Set of 12 (4 fluo yellow, 4 fluo orange, 4 red).. 1.7m high poles with groundspikes.. Adjustable from 90 to 170cm (full height).. Pole diameter: 11/4".. Help to develop lateral manoeuvring.. Poles can also be used with a base.. Supplied with a bag.