This offer allows you to purchase your concrete blocks (5 inches and 6 inches) gradually, in preparation for your building project. Quantity required is computed and costed. Client then commits to make periodic payments (order) towards purchase. When an order is placed, Gravitas produces the blocks, and keeps them at the factory under safe conditions for you up to 12 months, after which time client must come for them. Clients who wish to continue placing orders beyond 12 months can make special arrangement. Minimum monthly or periodic purchase is 100 pcs. You must give a 30-day prior notice to Gravitas. Call 0266293882 for current prices.