Description: Heavy duty 1″ round tube frame Gas cylinder with adjustment from 17″ to 22″ Extra cushioned vacuumed-formed round seat top with a memory-foam-like feel Wide footprint for better stability 15″x15″ tray for small parts and tools Four 3″ oil-resistant casters swivel easily Weight 32 lbs Dimensions 19.125 × 19.125 × 13.375 in