a complete regulator o ring kit to suit the Daystate DeltaWolf, AlphaWolf and BRK Ghost, the kit contains 2 full sets of o rings along with a genuine Huma disk and a soft O ring pic. The o ring kit contains: 6 x regulator body o rings 6 x piston top / adjuster screw o rings 2 x piston bottom o rings 1 x Genuine Huma valve disk 1 x O ring pic Enough to fully rebuild the regulator twice. To remove the regulator from the body of the rifle you can either use a pair of snap ring pliers or my specific regulator removal tool link below: BRK Ghost / XR / Daystate Alphawolf / Delta wolf regulator removal tool | eBay You can find my full regulator service that I created on either the official Daystate and BRK youtube channel or my own Sub12Airgunners youtube channel. Official daystate video: https://www.youtube.com/watch?v=ZMI9uVLhhDU&t Official BRK video: BRK Ghost regulator service/repair My channel: Huma Regulator service guide (Daystate Alphawolf, Deltawolf, BRK Ghost) The regulator is shown for demonstration purposes and is not included in the sale. included in the package: 2 x Full regulator o-ring sets 1 x Genuine Huma valve disk 1 x Soft o-ring pic 1 X Sub 12 Airgunners O-ring measuring guide 1 X Sub 12 Airgunners box sticker 2 X Sub 12 Airgunners rifle stickers