Roton 1200-650XHD Extra Heavy Duty Concealed Leaf Continuous Gear Hinge, For Doors 2-3/8" or Thicker Finish:Dark Bronze Top Bolt Only

Top Bolt Only

Minimizes false signals due to loosely closed doors

Hager 252F

Yale 1800 x 448F / 2100 x 448F

Bobrick B-8221 LIQUID

Roton 1200-650XHD Extra Heavy Duty Concealed Leaf Continuous Gear Hinge, For Doors 2-3/8" or Thicker Finish:Dark Bronze Top Bolt OnlyHager Roton 1200 650XHD Full Mortise Continuous Geared Hinge, Extra Heavy Duty, For Doors 2 3 8 or Thicker The Original Hager Companies has been manufacturing the original Continuous Geared Aluminum Hinges for over 25 years. The unique design of Roton consists of three important parts: an internal rolling contact gear profile, a high strength cover channel, and solid bearings made of celanex. Working together, these parts evenly distribute door weight