Cramer Kik-Step Steel Step Stool, 16 dia. x 14 1/4h, to 350lb, BlackSpring-mounted casters retract when stool is stepped on. Steel construction with nonslip vinyl treads and protective bumper around base. Ships in two pieces and requires no tools for assembly. Number of Steps: 2; Step Stools Type: Rolling Step Stool; Frame Material: Steel; Step Material: Steel.