"21.000 IN. WIDE ARMREST TO ARMREST; 15.500 IN. MIN TO 21.500 IN. MAX FROM BASE TO BOTTOM OF CHAIR;L ELEVATE ADJUSTS IN 1.000 IN. INCREMENTS; 18.000 IN. DEEP CHAIR; BASE DIMENSIONS-5.000 IN. DIA HOLE,10.750 IN. LG,7.750 IN. W,0.375 IN. DP; SEAT BELT W/QUICK RELEASE BUCKLE"