Doormerica DHSP179 4.5" x 4.5" Commercial Weight Spring Hinge
 
Features:
• UL Listed
• Material Gauge -.134
• Adjustable Spring Tension
• Screw Packages -All Machine Screws (AMS) and All Wood
Screws (AWS).
• Machine screws Phillips(#l) Flat-head -12 x 24 x 1/2”
• Wood Screws Phillips(#l) Flat-head -12 x 1-1/4”