Pacon  Adjustable Pocket Chart Stand, Metal, Locking Casters and Rings,  Adjustable to 78", 1 Stand Adjustable pocket chart stand that adjusts from 48"H to 78"H and 42"W to 77"W Metal stand for durability and stability to hold multiple pocket charts and chart tablets Comes with locking caster wheels and five movable rings Chart stand rings are 4" in diameter Some assembly required