EE USING COME-ALONG WENCH TO PULL TWO SLEEVED PIPES APART. THE INNER 4"" STEEL PIPE WAS RUSTED AND RESISTED SMOOTHLY SLIDING OUT OF LARGER PIPE. WHEN IT FINALLY RELEASED IT TRAVELLED OUT 32"" AL LOWING THE STEEL PIPING AND CROSS-BRACING TO DROP ON EMPLOYEE'S LOWER LEG AND ANKLE.