Shine Mate Yellow Cutting Cone is mainly use to polish awkward areas such as door jam, wheels and exhaust tips. It comes in 3 aggressive level- Yellow, Blue and Orange. Yellow cutting cone is the stiffest of all and aims to remove tougher grime and scratches at areas where buffer could not reach. It is designed to use with a drill which would increase efficient as compared to polish by hand. If you are looking to increase efficiency when polishing awkwards areas, the cone shape may be that solution.