WRIGHTMASTER aluminum alloy step stool ensures excellent durability and longevity for various household needs. is made of thickened aviation grade stainless steel aluminum alloy, which is highly strength and reliable. Maximum load capacity 300 lbs. The surface is treated for wear and rust resistance. Advanced framework and structure make your use safe and stable. The side cross-bracing structure strengthens the basic support and makes you feel safer when using the step (even on the top step). The step stool has an anti-slip rubber pattern, providing heel-to-toe support. Thickened rubber feet fully contact the ground, maintaining the stability of lightweight ladders when in use.