7d (2-1/4") Simpson Wood Siding Nail - 316 Stainless Steel, Pkg 35 RCA223/54-R150 The minimum effective shank length

The minimum effective shank length must equal or exceed the sum of the thickness of the attached material and the minimum embedment depth

Use a hex socket driver to ensure full engagement and prevent cam-outs

The Simpson ECCLRQMD4

Forms all standard stud and track profiles up to 20-gauge thick and 6" wide

Flexible design: Roofjack size accommodates pipes from 7" - 13"

7d (2-1/4") Simpson Wood Siding Nail - 316 Stainless Steel, Pkg 35 RCA223/54-R150 The minimum effective shank lengthSimpson wood siding nails are available in either type 304 or type 316 stainless steel. The checker pattern on the nail head blends well with wood grain, reduces glare from sunlight and accepts surface finishes. Annular ring shank increases pull out resistance to provide a secure attachment that reduces cupping of siding boards.