What material are the cable ties made from?

Our cable ties are made of either 6/6 nylon or 304 stainless steel.

What type of material do your punches work with?

Our standard hole punches do up to 10 gauge mild steel or 12 gauge stainless steel.  These will not work on I-beams.  Our Super Stainless Steel Slug Out punches will punch up to 8 gauge mild and 10 gauge stainless steel.  For I-beams, use the SP3500.