900903: S - Silicone (red), N - Nitrile (black), Diameter 2mm Flat Vacuum cup match with HCG-1010-30/S-BF7 holder, Adapter BF-7
900903: S - Silicone (red), N - Nitrile (black), Diameter 2mm Flat Vacuum cup match with HCG-1010-30/S-BF7 holder, Adapter BF-7