The tumblewheel is a moveable fence post used to create mobile one-wire fences for the purpose of rotational grazing. Typically used for electric fencing, the insulated central hub enables the line to maintain power while the fence is being moved.

The tumblewheel was invented by Taranaki farmer W.A. Chesswas, and is produced and marketed by Gallagher Group Limited

Gallagher Group Limited

The Gallagher Group is a company focused on the animal management systems and security system markets, and is based in Hamilton, New Zealand. Established in 1938, the Group continues to be owned by the Gallagher family, and has a network of distribution channels in more than 130 countries.The...

, Hamilton, New Zealand

Hamilton, New Zealand

Hamilton is the centre of New Zealand's fourth largest urban area, and Hamilton City is the country's fourth largest territorial authority. Hamilton is in the Waikato Region of the North Island, approximately south of Auckland...

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