Alpha MasonMaster General Purpose Blades The MasonMaster are excellent general purpose blades for High-Speed Demolition and Masonry Saws. Features Most popular for Hardscapers, General Contractors and Masons Laser-welded segments for faster cutting and a longer blade life Can be used wet or dry Recommended for concrete blocks and paver stone Perfect for demolition saws (Gas or Baterry powered) Sold individually Alpha MasonMaster General Purpose Blade Specifications Model MM00912 MM01212 MM01412 MM01612 Blade Size 9" 12" 14" 16" Thickness 2.5 mm 3 mm 3.2 mm 3.2 mm Arbor 7/8" 1”, 7/8”, 20mm w/pin hole 1”, 7/8”, 20mm w/pin hole 1”, 7/8”, 20mm w/pin hole RPM 6,600 6,200 5,360 4,700 Material Performance Glass Not recommended Ceramic Fair Porcelain Good Concrete Excellent Stone Excellent Brick Excellent