The Double Ended Open Jaw Spanners Non-Spark 21 x 23 mm from KNIPEX are designed for safe use in hazardous environments. Constructed from non-sparking materials, these spanners are ideal for applications in oil and gas, mining, and other industries where spark risk is a concern. The open jaw design allows for easy access to fasteners, enhancing efficiency in various tasks. With a polished finish, they resist corrosion and wear, ensuring longevity. These spanners are essential for professionals seeking safety and reliability in their toolkit.