Assortment of 60 Flanged Thick Pivot 1.50 mm Spring Bars contains 60 thick pivot, stainless steel spring bars, arranged in a compartment box labeled for easy identification and re-ordering. Set includes numbers 67-46751-10, 11, 12, 13, 14, 15, 16, 17, 18, 19, and 20 mm. Refills are available.