1)Precision knurled pin 2)ISO9001, ISO14001, ISO13485 3)MSA, SPC software system management 4)100% in house inspection OEM high precision pin1)Material: SUM-24L.2)Finish: Free of Oil.3)Salty Spray test: 8 hours; Electroless Nickel plating 3-5um.4)Dimension Detail: 37Length; Straight pin diameter:Ø5.0(-0.02,-0.07)5) Knurled Dia:Ø5.2(+0.1,-0).