1.[1-3/8' × 2-3/8'] The fork latch is suitable for connecting 1-3/8' OD frame to 2-3/8' OD column. The post hinge is suitable for 2-3/8' OD column. The frame hinge is suitable for 1-3/8' OD frame. 2.[Note] 1-3/8' × 2-3/8' refers to the outer diameter of the pipe, please measure the diameter of the pipe before purchasing. 3.[Hot-dip galvanized] High hardness and high corrosion resistance. The chain fence latch and hinge are not easy to rust and have a long service life. Perform well in outdoor environments. 4.[Smooth Operation] The door hinge kit allows your door to swing easily. The fork latch can prevent your door from being opened easily. Achieve better security. 5.[Bolts and nuts included] No need to purchase bolts and nuts separately, one package can meet all your usage needs. 6. [Contents Included] 2-3/8' door post hinges 2 pieces, 1-3/8' door frame hinges 2 pieces, 1-3/8'×2-3/8' door fork latch 1 piece. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.