Frame Material: 1/4″ x 3″x 3″ angle aluminum with 1/8″ lip for flooring infill and bolt-on masonry anchors.
Door Material: 1/4″ aluminum smooth plate with 1/8″ lip for flooring infill.
Standard Finish: Mill
Latch: Zinc plated steel slam latch with flush key operator on exterior and handle opener on inside. Chrome plated 5/16″ steel square key included.
Hinge: Aluminum arm-type hinge with 304 stainless steel bolts
Spring: Cold-rolled steel 3/16″ round torsion bar.
Hold Open Arm: Aluminum automatic locking hold open
arm with red vinyl grip handle.