Walnut Slab Chamberlain1F. The Length is 200 Inches Long. The Widths are 21, and 29 Inches. Rough thickness of 3 Inches. In person sales takes precidence 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.