The gauge is only to give an approximate/indicative level of liquid in the drum to know when to arrange for a new drum

40 mm bore

• Fits 5- to 55-gallon drums

providing enhanced mobility and ease of handling during tasks

Prolube Seal Off Dispenser 44871 stainless steel measuring tool The gauge is only toProlube Seal Off Dispenser 44871 Short Description Prolube 44871 Seal Off Dispenser , threaded 1 8 NPT Description PROLUBE Seal Off Dispenser 1 8" NPT The PROLUBE Seal Off Dispenser is used to lubricate grease plugs (found in cars) with its oil and grease resistant rubber tip. Engineered for use with hand operated grease guns, it ensures clean and accurate application, promoting long term vehicle performance and durability.