Stanchion with I-Beam Base for 3-3/8 in. Thick Flange; Fits up to 3-3/8 in. thick, 18 in.-24 in. wide

Jet 3-PT, 3 Ton, Fits 4" - 8" Wide Beam

Jet JBC-3, 3 Ton, Fits 4" - 9-7/8" Wide Beam

Jet 1-PT, 1 Ton, Fits 3" - 8" Wide Beam

Jet JBC-2, 2 Ton, Fits 3" - 8-5/8" Wide Beam

Jet JBC-1, 1 Ton, Fits 3" - 8-5/8" Wide Beam