MK Diamond Plank Kutter Diamond Blade MK Diamond Plank Kutter has been designed for minimal dust generation when cutting Hardi Plank, wallboard, and fiber cement siding. Plank Kutter Series diamond blades are specifically manufactured for cutting fiber cement plank siding, stucco, and tile underlayment board but will also cut most other masonry materials like brick, block, landscape pavers, concrete, and asphalt. The Turbo Continuous Rim design cutting matrix quickly removes stock from the cut, keeping the blade cool and true running. Blade Diameter 7 In., Rim Type Turbo, Dry/Wet Cut Dry, Arbor Size 5/8 In., Maximum Speed 8700 rpm, Edge Thickness 0.050 In., Applications Masonry, For Use With Circular Saw, Pkg Qty 1, Package Type Clamshell WARNING!