Product Details: The Lincoln Industrial Extension Hose is the perfect solution for those hard-to-reach grease fittings. This hose extension is made from a combination of steel and thermoplastic materials, making it durable and long-lasting. It is designed for use with hand-operated grease guns only and is ideal for those hard-to-reach grease fittings. This hose extension is a must-have for any mechanic or DIYer looking to get the job done right. FleetPride is your First Click in Heavy Duty®.