12PCS Extreme Hard Bond Concrete Floor Grinding Disk4 Inch Rough Cup Wheel with 4 Metal Bonded Abrasiv for Heavy-Duty Grindinge HTC PCD/Segment Types: 40*10*10mm*2T (Two Rectangle

PCD/Segment Types: 40*10*10mm*2T (Two Rectangle Shape Segments Mixed with Split PCD)

Application: HTC  For Concrete and Terrazzo Floor Fine Polishing

Product Name: Blastrac Trapezoid Diamond Concrete Grinding Shoes with Double T Shape Segments

4) Smooth and level high spots

24*20/4*8mm*1T (One Trapezoid Shape Segment)

12PCS Extreme Hard Bond Concrete Floor Grinding Disk4 Inch Rough Cup Wheel with 4 Metal Bonded Abrasiv for Heavy-Duty Grindinge HTC PCD/Segment Types: 40*10*10mm*2T (Two RectangleProduct Description Diamond grinding discs are engineered with top grade industrial diamond powders for maximum grinding performance and superior lifespan. Our specially formulaed grinding segments increased durability and wheel life . These diamond wheels disc can be used for a wide of grinding concrete and other masonry products. Bond: Soft Bond, Medium Bond, Hard Bond Hard concrete requires softer bond to prevent glazing and to allow new diamonds