Yellow Jacket® Oil Injector, Refillable, 4 oz, Aluminum
https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Ritchie_19005_Catalog.pdf- Body and cap are rugged aluminum with O-ring seal
- Male fitting at one end with Schrader, A ball valve for control on other end with a short length of hose
- Valve depressor in female end
- 600 psi maximum working pressure