This makes grease filling more efficient and convenient, and also prevents excess grease from spilling and dirtying the tool. For example, by drawing grease from the connector to lubricate a hidden machine part.
Wevdn 90 Degree Grease Coupler Adapter, Sturdy Steel Grease Coupler Adapter with
Wevdn 90 Degree Grease Coupler Adapter, Sturdy Steel Big Sleeve
