Wera 8100 SB VDE 1 Zyklop Ratchet set, insulated, switch lever, 3/8" drive, metric, 17Incredibly compact set arrangement for a lot of tools in a small space. Individually tested ratchet, sockets and extensions as per IEC 60900 at 10,000V for safe working at the approved voltage of 1,000V. Textile box with very high robustness and durability can be positioned upright for clear storage in the workshop shelf. Additional surface protection through textile outer material. Low weight and volume for easier mobility. Smooth turning mechanism