WorldPac (Pack of 2) 1/2" Spring Pin Latch Lock Assembly for Utility Trailer Gate - Heavy Duty 2 Packs Heavy Duty Trailer Gate Spring Loaded Pin Lock Assembly Weld On or Bolt On, ZinC Plated for Weather Protection Pin Size: Solid Steel 1/2" Diameter Rod Overall Size: 6" Long x 2.75" Width Perfect to Use on Utility Trailer, Rear Gate, Door or Lock Pin