OPTIMUM DESIGN - designed for early entry cutting of control joints within 2 hours or more after concrete curing PREMIUM DURABILITY - constructed with solid steel body with 10mm laser welded segments for precise cuts and prolong blade lifetime SEGMENT HEIGHT/WIDTH - 10mm segment height, 0.100" segment width COMPATIBILITY/BOND - Triangular hole/1" arbor + pin hole & soft bond USE DRY ONLY - designed for dedicated early entry saws Premium dry cutting diamond blades laser welded for use on green concrete. They are for early entry cutting of control joints within one to two hours of concrete finishing. The unique triangular shaped arbor and 1" bushing fits Soff-Cut saws and all most saw on the market. Skid Plates sold separately. Specifications: QTY: Pack of 2 pcs Diameter: 6-3/8 inch Bond: Ultra Soft Bond Arbor Size: Triangular hole / 1" arbor + pin hole arbor Segment Height: 10mm Segment Width: 0.100" Width Cutting Method: Dry only with dedicated early entry saws