【Material】All stainless steel construction ; 【Size】1/8 inch BSPP thread,Stem OD that insert into magazine is 9 mm； 【Accurately】stable characteristics, with Seal O-rings, reliable and no leakage； 【Quick disconnect probe】:Filling probe replacement, straight stem； 【Application】Fits for FX Logun (Solo etc),Webley (Raider, Raider, FX2000 10 etc), RWS (All PCP's except LR20 and LR25),Ripley (Most models),Prestige (All models),Evanix (All models with quick fill).