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

suitable for commercial applications requiring additional safety factors

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"

Featuring a cap head that prevents mushrooming

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.