Image Item No. Description  32013  Technic, Axle and Pin Connector Angled #1 Catalog: Parts: Technic, Connector  67695  Technic, Axle Connector 2 x 3 with Ball Joint Socket - Closed Sides, Straight Forks with Closed Axle Holes Catalog: Parts: Technic, Connector  48723  Technic, Axle Connector Hub with 4 Bars and Pin Hole Catalog: Parts: Technic, Connector  62462  Technic, Pin Connector Round 2L with Slot (Pin Joiner Round) Catalog: Parts: Technic, Connector