Rivet Pin Assortment for 1.2 mm Bracelet Repair - 18 to 24 mm contains 60 pieces stainless steel rivet pins ("T" pressure bars) with a diameter of 1.20 mm, diameter of the head of the rivet is 1.80 mm. Sets contain 10 each bars with lengths: 67-46390-18, 19, 20, 21, 22 and 24 mm, supplied with matching rivets. Refills are available.