Silverline Mortar Raking Diamond BladesFor Easy Removal Of Mortar From Joints Without Damaging Brick, Block Or MasonryManufactured & Certified To EN13236Segmented Diamond Raking BladeDry Cutting OnlyMax: 13,200 RPMQuantity: 2 PackDiameter: 115mmBore: 22.23mmHeight x Width: 7mm x 6mm