DescriptionThis segment shows that our Zirconium flap disc is for regular grinding.Zirconium flap discs have greater effect when it comes to grinding hard alloy steels and stainless steels.Obviously, the grinding sparks from Zirconium flap disc are stronger than Aluminum Oide flap discs, indicating that Zirconium flap disc is more ecellent in grinding and polishing.color blueMade from high quality aluminazirconium grain. Durable, lightweight fiberglass to absorb tool vibrations and provide etra strength. Superior cutting speed and life.80 Grit 50 mm 2 inch diameter, overlapping sanding strips with a cooler and more efficient sanding process.Safety torque spiral design made for quick changes, with strong fleibility.Perfect for sanding, blending and finishing on a wide range of metals and many other surfaces.Suitable for electric drill, grinder and all electric tools.Material Aluminum oideType Quick change for RolocSize 50mm 2 inchesGrit 406080Speed 20000 RPMNet weight 135gPackage contents30 grinding discs 10 each for 406080 mesh1 rodOnly the above package contents, other products are not included.Note Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 13 cm.