Diamond Finishing Kit | 4524A | Komet USA Komet's Diamond Finishing Kit (4524A) is an all-in-one solution for composite and porcelain finishing restorations. The kit features facial surfacing diamonds with shapes that are popular for finishin Komet's Diamond Finishing Kit (4524A) is an all-in-one solution for composite and porcelain finishing restorations. The kit features facial surfacing diamonds with shapes that are popular for finishing veneers.