451/452/453 Full Surface Double Acting Door Spring Falcon 25-R Series Rim Exit Devices Compatible with REX monitoring

Compatible with REX monitoring

and hospitals—for both single door and double door applications with mullions

Outside knob is always inoperative

2-1/4" x 5" Mounting Hole Pattern

MA521P-DG-606

451/452/453 Full Surface Double Acting Door Spring Falcon 25-R Series Rim Exit Devices Compatible with REX monitoringMcKinney 451 452 453 Full Surface Double Acting Door Spring, D4 Black Powder Coat Full surface double acting door springs designed to be surface applied to the door and the frame for a simplified method of closing doors. Features Coil springs made of high grade steel wire Packed with 1x12 wood screws Benefits Adjustable tension, no special tools required Wrought steel brackets prevent breakage