Outside Diameter :173mm (close to 7" inch), Quantity:Only 1 Piece.. Arbor hole: 0.984" (25mm), The Diamond Saw blade have three bushings, including one 12.7mm(1/2 inch), one 16mm(5/8''inch) and one 19mm(3/4''). There are some rusted washers, but it doesn't affect the use.. Thickness: 0.032" (0.8mm), core thickness / 0.047" (1.2mm) at notched rim where diamonds are.. Use with light oil or water as a lubricant.. The diamonds are crimped into the edge of the blade..
