Performance Tool pro grease guns are heavy-duty grease guns with durable construction and a chrome plated finish for long-lasting durability. They feature a short-stroke lever action design for easy use in tight spaces, a vented zinc die-cast head cap, a positive lock for easy filling, and an air bleeder valve that eliminates air lock. They also have a knurled, thick-wall barrel for a secure grip, and a comfort-grip lever handle. If you're looking for a high-quality grease gun for your shop or garage, Performance Tool has you covered.