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Thread Starter 
With all of last years Squads (100mm) around, some of you may be looking at a pair. My son and I bought Squads and drilled them yesterday. The 174 has metal under the top sheet, the 164 is fiberglass under the top sheet. That makes 3 models, no metal, one sheet metal, 2 sheets metal. The last I do not know by personal experience. Drilling into a ski does give you the cross section without any doubt or hype.