Toe Crest Left Medium Pk 3 Splash Guards Accepted by leading authorities as Two 1 inch urethane Accepted by leading authorities as a simple and accurate method for discovering congenital color blindness and red green blindness each in two forms complete and incomplete * Includes four special plates for tests to determine the kind and degree of defect in color vision * Makes use of the peculiarity that in red green blindness blue and yellow appear remarkably bright compared with red and green * Color plates encased in specially designed album type books for ease of handling * Detailed instructions included 6 lbs * Made of: Steel frame with durable powder coat finish * Package Dimensions: 2 Relieve forefoot pain on hammer or claw toes * Reduce top toe irritation and increase propulsive involvement of toes during gait * Reduces stress on metatarsals * Adjustable size toe loop durable leather cover * Fits Women's shoe sizes 8 10 and Men's 6 8