Leach International - Esterline - HT-C7N referenced contact switch product produced by high technology. HT-C7N became irreplaceable of foundations. HT-C7N referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. HT-C7N referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.