Grip-Rite 4.25-in x 3-in x 3-in ProLok 30-Pack Polypropylene Rebar Chairs

Eliminate the use of tie wire and bar ties due to the patented locking heads securely holding rebar or mesh in place. Strong, durable and lightweight. I-beam design. Fits #3 and #4 rebar. Fits all mesh sizes. Stackable. Reflective for low light projects. Made from recycled material.