【SIZE】2pcs Dimensions: 115mm,Diamond Segment Height-Front 25mm,Diamond Segment Height-Back 25mm,Thickness:1.7mm,Arbor:22.23mm(7/8") with a reducer washer 15.875mm(5/8") 【Cutting/Grinding】Special Design:the double-sided cutter head,Front/back diamond segment height- 20/10mm,can allow for trim/grind on front face and make straight cuts and grind bullnose edge Hexagonal Cutter Head Design segments are Sharp and Wear-resistant,can help to cool and bring the dust out and get more efficient and better performance Hot pressed Technology with high-quality diamonds of this Tile Marble blade provides longer working life and more accurate straight line cuts 【Wide Compatibility】can be used with any standard grinder 5/8-11.Can double Recommended 8000 RPM,Max 13200