This tool is used to remove and install O-rings. It is made from glass fiber reinforced nylon plastic and measures just under 5.5" from tip to tip. This type of tool is preferable for installing and removing high pressure o-rings compared to...

I own two Hatsan PCP air rifles and know the importance of quality O-rings for the fill probe first hand. After doing testing, I am now using these O-rings that are made from Buna-N rubber that is oil resistant and tolerates the silicone grease...

If you are tired of your PCP fill probe getting dirty, you can protect it with one of our yellow push on caps. This cap covers the probe just past the bottom O-ring on my Hatsan probe. The inside height is 20mm and it will fit a probe that is...