Detailed Product Description Diamond Curve Granite Cutting and Grinding Disc ,diamond concave blade, cutting bladeArbor: 7/8-5/8 (sawing systems arbor ... the blade to cut the curved area cleanly, accurately and safely, as well a wider kerf. Item No. ... 125mm8mmB06CV6"/150mm8mmB07CV7"/180mm8mmQuality grade: Super, Premium.NOTE: B045CV8S--CurVed cutting Blade, dia 4.5"/115mm, segment height 8mm. Super ...