154026 Size: 8" Features: -1/2" Radius Profile Wheel MK-275.-Electroplated profile wheels for marble.-Provide clean, professional contours for marble and granite.-Require no special saw modification and mount to most tile saws quickly and easily.-Arbor: 5/8".-Radius: 1/2". Dimensions: -Item # 152613 - Diameter: 6", Weight: 2.8 lbs.-Item # 154026 - Diameter: 8", Weight: 5.08 lbs.-Item # 152616 - Diameter: 10", Weight: 4.82 lbs.