DX Series Heavy Duty Long Electric Door Strike for Access Control - 1700 lbs of holding force - Fail-safe (power needed to lock) - For Wooden, Metal and PVC Doors 1700 lbs of holding strength - 165L x 32W x 32H - Long 12v DC - Fail-Safe (Power needed to Lock) For wooden, Metal and PVC Doors 1 Year Manufacturers Warranty FREE Shipping - Free Life Time Technical Support (US Based at our Location)