Electromagnetic Door Holder Mounting Surface Finish Aluminum Power Required 12VDC 24VAC/DC 120VAC Total Projection 4-1/8 in Holding Force 35 lb Projection from Wall 2-1/2 in Material Steel Mfr Series 7800 Lock Body Depth 2-1/2 in Lock Body Length 4-5/8 in Lock Body Width 2-13/16 in Strike Plate Depth 1-5/8 in Strike Plate Length 2-3/8 in Strike Plate Width 1-11/16 in Standards ANSI A156.15