Watch Crown Assortment, Lock Down

Contains two each yellow and one each steel in sizes 4.5, 5.5 and 6.0mm. All Tap 10. Total of nine crowns and a friction fit tube with each. Tubes: 2.5. Threads: 3.4 (4.5mm), 3.9 (5.5 and 6.0mm). Fit Rolex look-a-likes.