Chrome Large Base Vinyl Grip Base Measures 8 X 12-1/4 4 Point Base Combined With Offset Handle Provide Additional Stability And Support Easy-to-use One-button Height Adjustment With Locking Bolt Allows Quick Safe Fitting Height Adjustment 29.5 To 39 Smooth Rubber Handle That Is Easily Cleaned No Assembly Required 300 Lb. Weight Capacity Limited Lifetime Warranty Hcpcs Code E0105 Item Has A Lifetime Warranty On The Frame At The Weld Point The Attn Knob Knob Has A 90 Day Warranty