Brand: AIYI Diameter: 7 inches (approximately 180mm) Segment Height: 8mm Bore Size: 22.23mm (standard for many angle grinders) Maximum Speed: 8,500 RPM Blade Type: Segmented (ideal for dry cutting as the gaps allow for air cooling...

Set Composition: 5 pieces of resin-bonded mounted stone points. Shank Size: 6.35 mm (1/4 inch). Maximum Speed: 20,000 R.P.M. Functionality: Designed for cutting, deburring, and polishing various materials.

Brand: AIYI Diameter: 230mm (9 inches) Thickness: 2.4mm Bore Size: 22.2mm Segment Height: 7mm Max Speed: 6650 RPM (80 m/s) Application: Stone cutting (granite, marble, concrete, etc.).