ARMSTRONG'S 1100B-11A is a 90 degree offset back plate glass to wall hinge. 

The 1100B-11A has rectangular corners and edges for a sleek appearance. The 1100B Series Hinges accommodate 5/16" (8 mm) to 1/2" (12 mm) thick tempered safety glass, and are self-centering when within 30 degree of the closed position. 1100B Series Hinges are constructed of solid brass, and have stainless steel plunger tips, pins, and springs to ensure long service life and reliable door closure. 

• Rectangular corners and edges
• Designed For 5/16"-1/2" (8 mm to 12 mm) Tempered Glass
• Self-Centering within 30 Degrees of Closing Position
• Commonly used in Residential Bath and Commercial Hotel Applications
• Many Popular Finishes to Select From
• Material: Brass

• MAXIMUM DOOR CAPACITY	3/8" (10 mm) GLASS Approx. 5 lb./ft²	1/2" (12 mm) GLASS Approx. 6.4 lb./ft²
  	DOOR WEIGHT	DOOR WIDTH
  Using 2 Hinges	80 LBS (37 kg)	31.5" (800 mm)
  Using 3 Hinges	120 LBS. (55 kg)	36" (914 mm)

  
  

• Solid brass
• Over 50,000 times open-close cycles
• Available in many different colors 

• Commonly used in Residential Bath and Commercial Hotel Applications