- Zerk fittings provide lubrication points for feeding lubricants to mechanical systems or bearings without overflow or leaks
- Fittings stay closed to keep out contaminants until a grease gun is connected to allow flow of grease
- Suitable for all vehicles including EV
- Connection Type: Metric Threaded
- Diameter: 5/16 in
- Length: 13/16
- Nominal Size: M8x1