Instant Comfort - Easily view samples and tube contents at a 30° angle. Avoid Stress - Help alleviate repetitive pipetting related fatigue and injuries by creating a comfortable work station. Stable - Neoprene pad holds rack in place while non-slip feet prevent stand from sliding on benchtops. Versatile - Stand is compatible with most tube racks. Holds racks up to 5.50” high and 8.50” wide.