Andersen left-handed split arm head (upper) hinge with screws for Andersen Perma-Shield casement and awning windows: CR, CN, C, CW, CX25 - CX6, and CXW2 - CXW45 - All awning sizes 1967 - present (Excluding A335/AX31)Handing: Left handed; when viewing window from outside the home, the hinge will be located on the left side. Track length: 11-13/16"Hinge arm length: 6-9/32"NOTE: These parts require the Hinge Replacement/Conversion Instruction Guide from Andersen. View instruction guide or watch video here. If your window was manufactured prior to 1997, you must replace both the upper and lower hinge.Related Parts:Head Hinge with White Shoe: 1361462 - Standard Right Head 1361467 - Corrosion Resistant Left Head 1361466 - Corrosion Resistant Right Head Sill Hinges with Black Shoe: 1361469 - Left Sill, Standard 1361468 - Right Sill, Standard 1361471 - Left Sill, Corrosion Resistant 1361470 - Right Sill, Corrosion Resistant