Rotabroach Annular Cutter, Long Series, 22mm - 64mm Sizes Available, Weldon 3032 Shank. Sizes available: 22mm, 23mm, 24mm, 25mm, 27mm, 27.5mm 28mm, 29mm, 30mm, 30.25mm, 31mm, 32mm, 36mm, 38mm, 38.7mm, 40mm, 41mm, 42.8mm, 46mm, 47mm, 52mm, 64mm.
eBay