The Invincible Marine BR52610 Lower Unit Oil Pump makes changing your lower unit oil easy and mess-free. It attaches to a quart bottle and screws into your lower unit, fitting most outboard motors. This pump prevents spillage and avoids the need for awkward and smelly oil changes. Simply attach the pump to the drain hole, screw the cap onto a 32-oz bottle, and pump until full. It's a convenient tool for outfitting your boat or preparing for the boating season, and is suitable for both freshwater and saltwater use. This product comes with a 1-year limited warranty and is known for its reliable performance. Invincible Marine is a trusted brand for fishermen and weekend boaters, offering high-quality and innovative products for all your nautical needs.