Vintage Slimstep by Powermaster 
Made by Oxwall Tool Co., Inc., 13310 32nd Ave., Flushing, New York 11352 
Made in Korea

2-step fold up step stool with 300 pound capacity
Step stool is about 18 inches wide and stands 16.5 inches tall
Stool folds up to 1.5 inches thick by 18 inches wide and 22.5 inches tall
Sturdy black carrying handle is intact
Stool is in good condition with some paint wear and scratches and marks

Lower step is about 8.5 inches off the ground, and the upper step is about 16 inches off the ground
Each step has an inset that appears to be wood framed with a faux black leather overlay
The stool has a beige paint
Black plastic end caps on all ends, missing one on the top of the back tube
There is one white sticker (blank) on the rear of the lower step

Weighs 10.8 pounds
Probably from the 1960s or 1970s