This is an assortment of 16 thin threaded bars (1.30 mm diameter) with 32 screws in yellow and white. Set contains 8 different lengths of bars from 10 to 20 mm and 2 different diameters of screws (3.00 mm and 3.50 mm) in both yellow and white. Set includes numbers 67-46810-10, 12, 14, 15, 16, 17, 18, 20, 67-46811, 46812, 46813 and 46814. Refills are available.