248 PCS 12 Sizes Hydraulic O-Ring Kit BOSS ORB Fittings, SAE 900 Series Buna-N 90 Durometer Boss Hydraulic Seal Kit 386 2 sizes PE washer

2 sizes PE washer

hook installation and any other portable place

It's forged and the threads are nicely machined

and the AS size number is shown in one of the small windows near the top of the main body

248 PCS 12 Sizes Hydraulic O-Ring Kit BOSS ORB Fittings, SAE 900 Series Buna-N 90 Durometer Boss Hydraulic Seal Kit 386 2 sizes PE washerHigh Quality: Made of Buna N 90 Durometer Material, has excellent oil resistence as well as good resistence to weather and tearing. 90 durometer O rings have a harder and denser consistency and are typically used in higher pressure applications Multi size: You can get a good selection of 12 popular sizes BOSS (ORB) O Rings that come in handy, can meet almost all your needs Wide Application: Used for Sealing Straight Thread Tube Fittings (BOSS Type) in