Ajax Scientific ME505-5000 Plastic Tubular Spring Scale, 5000g/50N Weight Capacity, Yellow Tubular spring scale This spring scale have a clear plastic body that is calibrated in both grams and newton Both rings and hooks are chrome-plated and each can be zeroed with the metal nut located at the top Dimensions of scale (excluding ring and hook) are approximately 18-centimeters long by 2-centimeters diameter Available in yellow color