Features： 1、Heavy Duty Design: Hand operated grease pump features a heavy duty design for durability and reliability, suitable for various high intensity work tasks. 2、Manual Operation: Leverage action for manual operation provides convenience and precise lubrication control, greatly improving lubrication efficiency for workers. 3、Anti Jamming Switch Mechanism: Unique jam proof switch mechanism ensures continuous stable operation in any condition, preventing grease jamming and maintaining lubrication effectiveness. 4、Versatile Applications: Manual grease injector can be used in a wide range of automotive, trailer, agricultural, industrial and marine applications, as well as being ideal for home and do it yourself. 5、Sturdy Construction: Made from ABS and metal materials, sturdy, and portable, ensuring long lasting durability and performance for various applications. Specification： Item Type: Grease?Pump Material: ABS+Metal Suitable for: Automotive, Trailers, Agriculture, Industrial, Marine and ideal for household and do it yourself Package List： 1 x?Grease?Pump?Kit (5pcs)