Suited for a large range of jobs at home or in the workshop, this SCA Grease Gun features a trigger operation. This convenient design allows one-handed operation to be extremely easy to achieve and the trigger allows you to easily manage the flow of grease flow by a simple squeeze and release action. The SCA 120mL Trigger Style Grease Gun is only suitable for manual bulk loading. The spring loaded plunger ensures a consistent grease flow by using constant pressure to push the grease forward. Ideal for maintaining trailers, boats, mowers, vehicles, 4x4s, machinery and many other applications.