Thought this might come in handy here.

SCOTCHBRITE GRIT CHART

7445 - White pad, called Light Duty Cleansing - (1000)

7448 - Light Grey, called Ultra Fine Hand - (600-800)

6448 - Green, called Light Duty Hand Pad - (600)

7447 - Maroon pad, called General Purpose Hand - (320-400)

6444 - Brown pad, called Extra Duty Hand - (280-320)

7446 - Dark Grey pad, called Blending Pad (180-220)

7440 - Tan pad, called Heavy Duty Hand Pad - (120-150)