Do it 20d x 4 In. 7 ga Hot Galvanized Pole Barn Nails (175 Ct., 5 Lb.) Blue Penguin Enables a Class V 2-1/2"

Enables a Class V 2-1/2" receiver opening to be reduced to a Class III/IV 2" receiver opening

Precision-machined head and blade lock together for a perfect 90 Degree angle

and full swivel chuck

The patented design creates an extremely strong door frame and allows for simple screen repairs

PROVA joint strip is a membrane made of woven material to waterproof butt joints and floor to wall connections

Do it 20d x 4 In. 7 ga Hot Galvanized Pole Barn Nails (175 Ct., 5 Lb.) Blue Penguin Enables a Class V 2-1/2"Hot galvanized, with flat countersunk head and diamond point. 5 lb. box. For large pole barn. For large pole barn, post frame construction where superior holding power is necessary. Safety glasses are recommended when driving hardened nails.