It is possible to drive very long posts in to the ground by mounting extension arms on your postdriver. Furthermore, the extension arms can be mounted on the topside, which gives you the advantage that you don’t have to bend over to drive markers.
25.4 mm round, 38.1 mm round, 50.8 mm round, 63.5 mm round, 76.2 mm round, 88.9 mm round
103.2 x 103.2 mm, 107.9 mm round, 63.5 mm round (incl. inserts 24, 44.5 and 50 mm round), 98.4 mm round, Other dimensions on request