The entire set comes with 8 pads of different grits, 50 grit, 100, 200, 400, 500, 800, 1500 and 3000 grit. 50 grit through 400 grit are electro plated and 500 grit through 3000 grit are resin bonded pads. After 400 grit, a 500 grit resin bonded pad makes the transition from electro-plated pad to resin bond pad smoothly. You save $5 when you order in sets compared to order individually. Size: 3-1/2" x 2" Color: 50 Grit - Green 100 Grit - Black 200 Grit - Red 400 Grit - Yellow 500 Grit - Yellow 800 Grit - White 1500 Grit - Blue 3000 Grit - Orange