Blair Equipment 1/2" Hole Extended Reach Cutter - BT16216
3.49" Ideal for cutting through hollow tubing like trailer hitches in one pass, giving the operator confidence that the 2 holes will line up perfectly every time. Drill through holes in pipe or tubing in a single pass Features a one piece arbor and cutter for a fast easy cutting action. The tools can drill holes in materials up to 1/4" thick & are available individually also