Walkstool Comfort Walkstool Comfort 18 In; Walkstool Steady  Protects rubber feet from sinking into the ground. Provides extra support for slippery surfaces and prevents stool legs from over-extending, increasing the capacity of the stool.; Walkstool Comfort Walkstool 22" Max Height Walkstool 26" Max Height Walkstool 18" Max Height Walkstool 30" Max Height