A 22 gauge
aluminized steel weighing 4.14 pounds each. Top port measures 4 1/8"
with very slight oval shape. The distance from nailing flange to rear of
box is 4 1/4" and overall measurements: 21" h x 12 1/2" w
x 5 1/8" deep, inside measures 9 1/2" wide x 18 1/4" tall
and five units per carton, 36 cartons per pallet, ships as a class 70.