6 KITS FOR FABRICATING BEAM ASSEMBLIES MADE PRIMARILY OF METAL AND SUPPORT COMPONENTS, NAMELY,, WOOD STRINGERS, CHANNEL SUPPORTS FOR THE STRINGERS AND CROSS MEMBERS FOR CONNECTING THE STRINGERS AND SUPPORTS, SOLD AS A UNIT
19 KITS FOR FABRICATING BEAM ASSEMBLIES MADE PRIMARILY OF WOOD AND SUPPORT COMPONENTS, NAMELY, METAL STRINGERS, CHANNEL SUPPORTS FOR THE STRINGERS AND CROSS MEMBERS FOR CONNECTING THE STRINGERS AND SUPPORTS, SOLD AS A UNIT