2. Ball check in the head prevents dirt and grit from getting into the fitting.
3. Heavier wall thickness for extra strength.
4. fitting profile and dimensions are comply to SAE, DIN, BS,JIS, & IS standards.
It is Suitable for installations where extending or protruding nipples cannot be used.
Flush-type fittings are only suitable for press-greasing by means of a extension tube or a push-type grease gun with pointed, pin-pointed, or combi-nozzle.