Ideal for home and commercial useStrengthens the knees, hamstrings, quadriceps, and glutes1 Inch diameter Weight plate postCommercial 2 x 3 inch heavy-gauge steel frame All-4-side welded constructionFully adjustable for any size user, the recumbentDuraFirm back pad with hold-down gripsOversize 8 foam rollers pop-pinAdjusts for different size users 13 -17 inchItem Dimension 55 L x 27 W x 48 H Inches