Image Item No. Description  47296  Technic, Axle and Pin Connector 2 x 5 with 2 Ball Joint Sockets, Open Sides Catalog: Parts: Technic, Connector  50898  Technic, Axle and Pin Connector 2 x 7 with 2 Ball Joint Sockets, Rounded Ends Catalog: Parts: Technic, Connector  32174  Technic, Axle Connector 2 x 3 with Ball Joint Socket - Open Sides, Angled Forks with Closed Axle Holes Catalog: Parts: Technic, Connector  26287  Technic, Axle Connector 3L Catalog: Parts: Technic, Connector  32039  Technic, Axle Connector with Axle Hole Catalog: Parts: Technic, Connector