univesal joint , u-joint , cross-joint for GUM93 1.Excellent quality and reasonable price 2.small order accepted univesal joint , u-joint , cross-joint Ffor GUM931.material:20Cr or 20CrMnTi2.surface hardness:58-64HRC3.inner hardness:20Cr:25-45HRC ; 20Cr MnTi:33-48HRC4.excellent quality with reasonable price5samll order accepetedMITSUBISHIGMB.NOFIGORIGINAL NOKOYO.NOMATSUBA NO. D m/mO m/mL m/mN. ...