Designed for applications where the need for a Heavy Duty Industrial Connection is required. These rugged, long lasting, and completely sealed connectors are perfect for trucks and buses, heavy equipment and farm machinery, off-road, marine and recreational vehicles as well as plant equipment and robotics. When mated, the contacts are protected from moisture, sand, dust, lubricating oils, fuel, road salt, hydraulic fluid, grease, mud and other contaminants encountered in heavy duty operations. The HD10 Connectors are cylindrical and are quickly and easily inserted and removed eliminating problems associated with assembly and maintenance time.