Stanley - 4-89-938 referenced Ringmaulschluessel m. Ratsche 13mm product produced by high technology. 4-89-938 became irreplaceable of foundations. 4-89-938 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. 4-89-938 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.