Details
Assortment contains 2 pieces of 16 different size watch crowns for a total of 32 pieces. All crowns are tap 10 (0.90 mm). Crown sizes are listed as crown diameter x tube opening: 5.0 mm x 2.0 mm, 5.0 mm x 2.5 mm, 5.5 mm x 2.0 mm, 5.5 mm x 2.5 mm, 6.0 x 2.0 mm, 6.0 mm x 2.5 mm , 6.5 mm x 2.0 mm, 6.5 mm x 2.5 mm , 7.0 mm x 2.0 mm, 7.0 mm x 2.5 mm, 7.5 mm x 2.5 mm, 8.0 mm x 2.5 mm, 8.5 mm x 2.5 mm, 9.0 mm x 2.5 mm, 9.5 mm x 2.5 mm, 10.0 mm x 2.5 mm. This watch parts set should be on every watchmaker's workbench.