As is the case for all our concrete spacers, we manufacture these in frequent strength, 4000 psi combine design and style, or higher strength for tailor made jobs. Get your enterprise supplies in bulk and at a terrific, reduced price 365 times a year with MichaelsPro™ Packs. Terrific remark. http://concrete-accessories94714.blogofoto.com/27288894/the-best-side-of-rebar-tie-wire-size