9103404 : 19*178 (4T) STEP 1 -Buff ridges, Light Blue 320 Grit STEP 2 -Smooth, Light Purple 600 Grit STEP 3 -Shine, Gray 4000 Grit 9103405 : 19*178 (4T) STEP 1 -Buff ridges, Pink 320 Grit STEP 2 -Smooth, White 600 Grit STEP 3 -Shine, Gray 4000 Grit 9103406 : 19*178 (4T) STEP 1 -Buff ridges, Black 320 Grit STEP 2 -Smooth, White 600 Grit STEP 3 -Shine, Gray 4000 Grit