Set of 2 13mm x 1.8mm Thickness made from 316L Stainless Steel This Spring Bar is for Rolex Datejust 26mm with No holes case. References 179384 179383 179313 179179 179174 179173 179171 179163 179161 179160 176200 79173 79163 79160 79174 79190 79240 69190 69174 69173 69160 67193 The Spring Bars you will receive is exact like the pictures.