The ESD permanent sole strap in size M is specifically designed for shoe sizes 38 to 41 and offers optimal adaptability through its 185 mm long contact strip length. The total length of the strap is 165 mm. It is held in an inconspicuous black, which allows for versatile use in different work environments. A key feature of this product is the Velcro fastener, which not only ensures a secure fit but also facilitates the quick donning and doffing of the strap. The large contact area in both the heel and the forefoot ensures effective grounding to prevent electrostatic discharges. The built-in 1 MOhm safety resistor meets ESD safety standards and provides additional protection in sensitive work areas.