Simpson 4X Post Cap Stainless Steel BC4SSThe BC post cap is designed to connect a beam to a post. The 18 gauge material of this post cap makes it ideal for light duty connections. The BC provides uplift and lateral resistance and includes sizes for both nominal and rough lumber. Model No. BC4SS Nominal Post Size 4x Ga. 18 W1 (in.) 3 9 16 W2 (in.) 3 4 7 L1 (in.) 2 7 8 L2 (in.) 2 7 8 H1 (in.) 3 H2 (in.) 3 Coating Material Stainless Steel Product Guide & SPECS: View Spec Sheet Key Features