This aluminum jaw end is used to attach the awning frame to a brick surface. The #4 jaw end is furnished with a machine screw and hex nut. The projection is from the shoulder of the jaw to the center of the bolt hole.
Jaw Opening: 7/16 inches. Lag Screw Size: 3/8 inches x 2-1/2 inches. Projection: 1-1/2 inches.