High hardnessC17200-HMB Beryllium copperstrip0.05/0.08/0.1/0.15/0.2/0.25/0.3/0.4 High hardnessC17200-HMB Beryllium copperstrip0.05/0.08/0.1/0.15/0.2/0.25/0.3/0.4/0.5/0.6/0.8/1.0mm.
