Rivet Pin Assortment for 1mm Bracelet Repair - 18 to 24 mm contains 60 pieces of stainless steel rivet pins ("T" pressure bars) with a diameter of 1.00 mm. Set contains 10 each bars with lengths: 67-46380-18, 19, 20, 21, 22 and 24 mm, supplied with matching rivets. Refills are available.