Hackberry Slab Hackberry 788A. The length is 54 inches long. The widths are 20, and 30 inches. Rough thickness of 2.75 inches. Flattening is included in the price. Please allow three business days for flattening to be completed before pick up. In person sales takes precedence over web sales. Come see the slab in person. The website is updated frequently but there is a chance something online could be sold already. Feel free to email and inquire about specific slabs. Local pickup only, call/email for more information or to schedule.