Bommer
4-1/2 x 4 x Square Corners Stainless Steel Spring Hinge, Pair, Bommer LB4390C-454-630
The Bommer LB4390C-454-630 is a pair of 4-1/2" x 4" Square Corner Stainless Steel Spring Hinges, engineered for heavy-duty door closer applications.
Constructed from 304 Stainless Steel with a 630 Satin finish, these hinges are UL Listed for fire door use and certified Grade 1 for 1 million cycles. Each unit includes a tension adjusting tool, locking pins, and installation hardware for wood or metal doors.

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