Specifications include, but are not limited to: 57044000297 - P1 - Post, galvanized 14ga, 12' SN 11A 57044000298 - P1 - Post, yellow, 14ga, 12' SN11A 57044000332 - P1 - Post, Galvanized 14ga, 14' SN11A 57044000300 - Anchor Socket Tube (2 7/8"x27") SN11A 57044000301 - Wedge Poz-Loc #25759 SN11A 57044000405 - P3 - Post, BWG10, 12 ' SN12B 57044001041 - P4 - Post, sch 40 steel,12' SN12B 57044001045 - P4 - Post, sch 40 steel, 14' SN12B 57044001049 - P4 - Post, sch 40 steel, 16' SN12B 57044001011 - P5 - Post, sch 80 steel, 12' SN12B 57044001015 - P5 - Post, sch 80 steel, 14' SN12B 57044001032 - P5 - Post, sch 80 steel, 16' SN12B 527044001018 - (B3) SLIPBASE GROUND STUB BASE SN12B 57044001019 - (B3) SLIPBASE CASTING, HARDWARE, RETAINING PLATE SN12B 57044000316 - (B3) SLIPBASE RETAINING PLATE ONLY SN12B SN9B 57044001028- Typical Single Bracket 3 1/4" SN9B (B4A)SURFACE MOUNTED TUBULAR STEEL SIGN BASE SN 12D (B4B) SIDE MOUNTED TUBULAR STEEEL SIGN BASE SN13 CONSTANT SLOPE BARRIER PLATE PLATE SN14A LARGE CORNER ANGLE CHANNEL and CLAMP FOR LARGE CORNER ANGLE and 3/4 INCH UNIVERSAL CLAMP SN 10