... structureΦ16Φ61.2,1.550-1500PVC,Coat rubber,Carbon steel ,Stainless steel , Aluminium alloy galvanization\chromeplate\skin glue\plastic\injectiona.spring shaftb ... thread shaftd.outside thread shafte.oblate tenon shaftf.semicircular tenon shaftΦ20Φ81.5,2.050-1500Φ25Φ8,101.5 ... Φ108Φ25,303.5,4.0100-1500 Coat rubber,Carbon steel ,Stainless steel , Φ127Φ30,354.0,4.5200-1500Φ152Φ35,404 ...