4d (1-1/2") Shake and Shingle Siding/Roofing Nail - 304 Stainless Steel, 5 lb. Pkg Straight Shank Drill Bits the H7Z offers enhanced durability

the H7Z offers enhanced durability in exterior and treated lumber applications

which must be used in installation for product to be compliant

The #3 Roofjack Square EPDM Pipe Flashing Boot is a versatile and reliable solution for sealing pipe penetrations on metal roofs

Flexible design: Roofjack size accommodates pipes from 7/8" - 4"

Rolled threads add tensile strength for demanding loads

4d (1-1/2") Shake and Shingle Siding/Roofing Nail - 304 Stainless Steel, 5 lb. Pkg Straight Shank Drill Bits the H7Z offers enhanced durabilitySimpson shake and shingle siding roofing nail has a 7 32" diameter flat head to provide ample surface to firmly secure shakes and shingles of all types.