35-50 Welding Cable Socket. Aperture size @ 12mm. Sold in packs of 2.

• Secure, Low-Resistance Connection  cable connectors provide a tight, positive lock between the power source and welding cable, ensuring minimal voltage drop and stable arc performance, even at high currents.
• Quick-Connect and Disconnect The twist-and-lock system makes them fast and easy to install or remove — ideal for welders who need to switch leads, torches, or machines regularly.
• High Current Capacity Designed to handle heavy-duty welding, these cable connectors are available in sizes like 10–25, 35–50, and 50–70, supporting amperage ranges up to 500A or more.
• Universal Fit Across Brands cable connectors are widely compatible with most professional MIG, TIG, and stick welding machines