Outside Diameter:16" (400mm) Quantity: Only 1 Piece. Core Thickness:0.047" (1.2 mm) Rim Thickness:0.063" (1.6 mm). Arbor hole:0.984" (25 mm)with a bushing 16mm(5/8"). This blade will perform well on any hardness rock. It has held up extremely well and cuts just about any kind of rock, from the very soft Petoskey Stone fossils to hard jasper, petrified wood, geodes and agate..
