Detailed Product Description Laser Concrete Saw BladeApplication: reinforced concrete,cured concrete, washed concrete, concrete roof tile, concrete pipe, concrete universal. Inner hole/Arbor: 20mm, 22.23, 25.4mm etc. ... /12L36C36"/9007/10/12Quality grade: Super,Premium,Standard, EconomyNOTE: L06C7P--Laser blade for Concrete, dia 6"/150mm, segment height 7mm, Premium quality