Material: Handle: Hard components reinforced plastic, toothed ring die-cast zinc. Soft components thermoplastic elastomeric. Steel parts: grade 5.8. Version: Steel parts zinc plated, blue passivated. Note: The colour combinations graphite black RAL 9011 (hard components) and black grey RAL 7021 (soft components) are supplied as standard. The soft components ensure a non-slip grip of the operating part. The closed design offers sufficient protection against dirt. The design was especially developed for ergonomic gripping requirements. The push button improves disengagement and allows the handle to be easily used.