tuck point blade - for groove on concrete,granite,marble and natural stone - Silver Welded, high quality tuck point blade- for groove on concrete,granite,marble and natural stone- Silver Welded, high qualityTuck point bladeOuter diameterBorediameter(mm)Segmentthickness(mm)Segmentheight(mm)mminch105422.236.47/101154.522.236.47/10125522.236.47/10150622.236.47/10180722.236.47/10230922.236.47/10