C E Smith 75" I-Beam Post Guide-Ons

C E Smith 75" I-Beam Post Guide-Ons. Designed for I-beam trailers and boat lifts. Special two-piece mounting clamp works above or below the I-beam. Fits I-beams up to 4"W with provided hardware. Sturdy 1 1/2" galvanized square uprights insert over 40"...