Customer Service:If you have any questions during the use and installation process, please contact us, we will solve it for you at the fastest speed.URCMax's Pushrod Connector&Steel Z Push RodsFEATURE:Adjustable Pushrod Connector come with hex wrench, easy to installSPECIFICATIONS:Z Push Rods Size:F1.2mm x L190mmPushrod Connector:Diameter of the Hole:1.3mm,Fit Pushrods 1.0 / 1.1 / 1.2 / 1.3mmYOU WILL RECEIVE:10*Adjustable Pushrod Connector10*Steel Z Push Rods1pcs hex wrench