158375 Cup Wheels Size: 5" Features: -Double Row Cup Wheels MK-304SG-2.-Standard grade, double row cup for stone and concrete.-Have a unique shape which allow for superior form mark removal.-These highly efficient cup wheels are also effective in the process of concrete deburring and rough-surface grinding.-Their lightweight design and range of sizes ensure fast surface grinding with a minimum of operator fatigue.-Can be used wet or dry.-Nut: 5/8"-11.-Segments: 24. Dimensions: -Item # 155686 - Diameter: 4", Weight: 1.1 lbs.-Item # 158375 - Diameter: 5", Weight: 3 lbs.-Item # 155687 - Diameter: 7", Weight: 2.65 lbs.