The Tigi Colour Scale/balance Couleur Hair Weighing Scales are precision instruments designed specifically for measuring the weight of hair in order to achieve a balanced and consistent colour application. Suitable for professional hairstylists, these scales provide accurate results when determining the amount of colour or treatments needed for each individual hair strand. With the TIGI brand known for quality and reliability, these hair weighing scales are a must-have tool for achieving precise and professional results in salon treatments.