The Mapex T660 throne is a solid upgrade for young players needing something a little better than an entry-level throne. Its 13 x 2.5 round top base provides a larger platform and it has a threaded steel spindle height adjustment a feature normally found on much more expensive models. The spinning height adjustment makes minor height changes quick and easy. The double-braced legs with slip-proof rubber feet provide durability and stability.Plus the Spindle-Lock mechanism makes the drum throne even sturdier and more secure. Features: Durable Vinyl Covering. Double-Braced Legs. 17.5 to 22 height range.