4d (1-1/2") Shake and Shingle Siding/Roofing Nail - 304 Stainless Steel, 5 lb. Pkg Straight Shank Drill Bits Featuring a cap head that

Featuring a cap head that prevents mushrooming

the H7Z offers enhanced durability in exterior and treated lumber applications

suitable for commercial applications requiring additional safety factors

Compatible Header Size: Minimum recommended header or ledger size is 3 1/2 inches

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

4d (1-1/2") Shake and Shingle Siding/Roofing Nail - 304 Stainless Steel, 5 lb. Pkg Straight Shank Drill Bits Featuring a cap head thatSimpson 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.