Certified to DIN EN 14404, PPE type 1 - performance level 1, these knee pads are designed for very hard and rough surfaces. They have a highly abrasion-resistant and extremely durable surface, with a front side that is heat-resistant up to 1300 °C for short periods. They are resistant to flying sparks and welding spatter, making them ideal for use by plasterers, roofers, mechanics, machine builders and more. Washable at 30°C. Suitable for plasterers, roofers, ventilation fitters, metal workers, gardeners and landscapers, blacksmiths, machine and vehicle builders, fitters and mechanics. Standard: DIN/EN14404. Model: The robust one.