Mercury - Quicksilver Oil Filter Wrench Service Tool Steel 889277. Overview. There's a quiet comfort that settles in when you know your maintenance tools won't let you down. This Quicksilver Oil Filter Wrench feels like one of those simple pieces of gear you reach for without thinking, because it's never failed you. Whether you're changing oil in the driveway after a long weekend on the water or doing quick service at the dock, you'll appreciate how steady and sure this wrench feels in your hand