... Gate. Made of Heavy Duty Aluminum Die Cast Housing. Self Closing Spring Hinge Post Outside Diameter Gate Frame Outside DiameterWeight2 – 1 ... /8 in.3.2 Lb. (1.45 KG)1, Self Closing Hinges made of a heavy duty aluminum die cast housing ... commercial gate and gate taller than 6 in.4, Self closing hinges are primarily used on pedestrian gates 3 – 8 in ...