Grease nipples from Harrison Lubrication Engineering You have probably found the best site for the supply of general lubrication equipment. We believe we stock the largest range of lubrication products within the UK and pride ourselves on both the quality of product and service we offer. The NippleShop is part of Harrison Lubrication Engineering Limited, a major supplier of lubrication systems to many industries. The company has been established for nearly 30 years and supplies equipment into the UK and throughout the world. All our products come with a full 12 month warranty provided they are used for the purposes they were intended.