Assortment of Straight Thin 1.50 mm Spring Bars consists of 60 pieces of Swiss made nickel plated straight thin spring bars with a body diameter of 1.50 mm from 6 to 22 mm in length. Assortment is supplied in a small plastic compartment box. Set includes numbers 67-46010-06, 08, 10, 12, 14, 15, 16, 17, 18, 19, 20 and 22 mm. Refills are available.