Parker Chomerics Contact Ring Fingerstock is ideal for grounding and shielding in applications involving cylindrical shaft in static, linear, or rotating motion. Male and female configurations are available with diameters customized for specific applications. Contact Ring fingerstock is available in Beryllium Copper. Attachment Method: Friction fit/Compression fitProperties of Beryllium Copper (BeCu):• Ideal for physically demanding applications• High tensile strength• Extreme operating temperature range• Superb electrical conductivityStandard finishes: • Clean and bright • Zinc/clear trivalent chromate • Bright nickel• Bright tin