Comparison : Item # XCGW54021, Ultimate XTRA T-29 Flap Disc, Zirconia Alumina, USA
Item # XCGW54022, Ultimate XTRA T-29 Flap Disc, Zirconia Alumina, USA
Item # XCGW54031, Ultimate XTRA T-29 Flap Disc, Zirconia Alumina, USA
Item # XCGW54032, Ultimate XTRA T-29 Flap Disc, Zirconia Alumina, USA