Erowa Compatible Fixture for Tiny Components 20x50mm Fixture for Tiny Component 20x50mm is particularly for clamping workpiece size maximum to 20x50mm. RHS Fixture comes mounted on Centering Plate G INOX ER-036658 and is suitable for all EROWA chucks. RHS Fixtures are compatible with Erowa or System 3R depending upon centering segments. Available System 3R suitable fixture as well.Contact us for more information.