Hessit Works, Inc. offers concrete paving stone in 19 shapes and 31 color blends. They offer 2-,3-,4-, and 5-color blends to provide you with a large selection of paving stones. They do specialized color blending with some pre-blending done at the concrete batch station and the remaining blending done on the production machine. Each color blend is computerized to obtain color consistency from batch to batch. Non-stock items are usually produced within a 3-week lead time.