CRL P1 Post Railing Kits are designed for commercial or residential installations that meet or exceed guard rail and hand rail code standards. These P1 Surface Mounted Post Railing Kits are manufactured from 2" (51 mm) square 304 Alloy Stainless Steel Tubing with 3/16" (4.8 mm) wall thickness. Kits are supplied complete with a 5" x 5" (127 x 127 mm) Base Plate, Base Flange Cover, and Welded Top Saddle. For screws to attach the Top Rail to the Saddle specify Cat. No. PRS1032. These 10-32 x 5/8" stainless steel screws come 50 per pack. Other Finishes: