... , 3.0-10bar,1/4NPT etc. 4.bottom , 63mm(2.5") silicone filled pressure gaugewith back flange ,YN63ZC BRIEF INTRODUCTION Oill filled ... : 1/8",1/4", 3/8",1/2", PT,BSP,NPT etc. Fill: Glycerine(standard) Silicone(optional) Gaskets/Filling cap: Neoprene Or ... adjustable pointer , 2. With othe unit according requirement, such as bar,psi,kg/cm2 in dial 3. With rubber DIMENSIONS IN mm ...