Wright Products Wind Chain, Steel Screen and Storm Door Chain Stop, Zinc

PREVENT STORM DAMAGE: This spring and chain door retainer helps absorb shock to both your pneumatic closer and door from wind shock. | STABILITY AND SHOCK ABSORBTION: The chain stop installs directly onto your door frame and door jamb to prevent overextension. | ADJUSTABLE: Contains two sizes of strike plates and shims to provide adjustment for varying backseats. | READY TO INSTALL: Installation screws and brackets are included with each door chain unit. | CLEAN SUBTLE LOOK: High-quality finish allows it to blend in perfectly with your door and frame. | Zinc-Plated | Mounting brackets and screws included | Absorbs shock to door from wind gusts