Standard 18" height for welding to structural steel beams and columns. Top plate is pre-drilled to fit all NLP hinged base
Standard 18" with bottom 1/2" x 12" x 12" steel plate for mounting to pre-cast and poured in place structures. Top plate is pre-drilled to fit all NLP hinged base bolt cirlces. Bottom plate is field drilled to accomodate drift during casting.