Rockwood 494-RKW Automatic Door Holder & Stop / Strike Used As Foot Pull, 3 3/4 Inch Wall To Door. 

Rockwood 494 Automatic Door Holder & Stop. FH WS/Plastic Anchor For applications requiring door hold-open on a frequent basis, Screw hole design allows for precise alignment and then permanent attachment. Holder base: 3"w x 3-3/8"h, Holder projection: 2-1/8", Strike base: 2"w x 3"h, Strike projection 3-1/4"h Rockwood 494 Is ideal for commercial applications and Institutional Use along with Retail, Office Buildings. See Manufactures Spec