The Groz Flexible/ Rigid Grease Gun Extension offers a dual configuration, presenting a 13" (330 mm) long rigid steel extension and a flexible hose extension. Effortlessly switch between the two setups by sliding the steel tube, ensuring seamless adaptation to various lubrication needs. Each extension is supplied complete with a grease gun coupler, making it an ideal choice for use with grease control valves. Designed for both hand-operated and air-operated grease guns, this versatile extension from Groz optimizes your lubrication processes