The 24 in. AccuFooting V-Brace system locks the J Hook in place vertically, the upper saddle carry’s the horizontal rebar the J Hook is wire tied too and the lower leg of the J Hook must be 6 in. L to connect with the outer horizontal rebar. J Hook spacing is determined by the engineering specifications of your foundation wall. There are 36 V-Braces per case. The AccuFooting line of products is designed to save you time and money when laying rebar for your concrete footings. The bracing system ensures a quality foundation for your construction projects. These braces have become a go to for DIY and Pro Concrete installers. You won’t want to lay rebar again without these braces.