Designed to mate with an OilSafe Standard or Premium Pump on a 3, 5 or 10 liter/US quart drum to take care of hard to reach and time consuming pumping applications such as gearboxes and transmissions. Large outlet opening ideal for topping off crank cases and gearboxes. Advanced sealing thread design, that ensures a secure fit on genuine OilSafe Drums., Lot of 1