The KNIPEX Double Ended Open Jaw Spanners feature a 16x17mm size, designed for non-spark applications, making them ideal for use in hazardous environments. Crafted from high-quality materials, these spanners ensure durability and reliability. Their open jaw design allows for easy access to fasteners in tight spaces, while the non-spark feature enhances safety in flammable areas. These spanners are perfect for professionals in industries such as oil and gas, mining, and construction, where safety is paramount.