Drywall Screw Shenzhen Shenzhen Pennon Decorate Materials Co., Ltd Base Info Model NO.:PENNON-I02Material:High Strength SteelType:Mushroom HeadHead Style:HexagonalStandard:CE,ISOGrade:3.6Length Per Belt:25,30,35,40,45,50 Cm Description Pre:Connector Pin Next:Miran Linear Industrial Sensor Resistance Theory