This Grip-Rite metal rod chair is designed for making footings and can elevate up to 2-pieces of rebar off the ground. It is 3 in. high and has a 12-1/2 in. x 5 in. base. This rebar double rod chair is the perfect accessory for your concrete project needs.; ; Brand Name: Grip-Rite Material: Metal Product Type: Rod Chairs Diameter: 0 in. Weight: 0.1 lb Number in Package: 1 pk Size: No. 2 - 3" x 6/8"