Alpha Plus Dry Cutting Diamond Blade Premium dry-cutting diamond blade for cutting granite, engineered stone, marble, and other hard materials efficiently and quickly Features It fits on most angle grinders, wet stone cutters, demolition saws, or other common power tools used throughout the stone, tile, and construction industries Stone fabricators, tile installers, masons, and general contractors will find that Alpha Plus meets or exceeds all of their needs for various cutting applications in stone, tile, and other hard building materials High-performance design with 8 mm tall turbo edge, made with the highest quality diamond grit and matrix, safely provides "chip-free" cutting and longer life It can also be used wet at high RPM to further improve blade life and cutting performance Whether you are cutting "1-"/4" granite slab or the hardest cured concrete, Alpha Plus is the ultimate diamond blade for your most demanding applications Alpha Plus Dry Diamond Blade Specifications Model DA04A+ DA05A+ DA05S DA07A+ Blade "is" 4"" 4-"/2" 5" 7" Rim Height 9 mm 9 mm 9 mm 9 mm Arbor 20 mm"- "/"" "/8" - 20 "m "/"" "/8" - ◊ RPM 14,500 13,200 12,200 8,400 Kerf " 0."80" " 0."80" " 0."80" " 0."80" Material Performance Ceramic Not Recommended Porcelain Not Recommended Marble Good Granite Excellent Hard Granite Excellent Glass Not Recommended