200pcs Waterproof 0.5mm/0.6mm/0.7mm O-Ring Watch Back Seal Cover Mini Rubber Washer O-Ring Watch kets Watch Repair Tools

Specification:0.5mm:16mm-34mm/0.62-1.33in (16, 18, 20, 22, 24, 26, 28, 30, 32, 34 each small pack), 10 sizes, each packet is about 20, 200pcs in total.0.6mm:16mm-34mm/0.62-1.33in (16, 18, 20, 22, 24, 26, 28, 30, 32, 34 each small pack), 10 sizes, each packet is about 20, 200pcs in total.0.7mm: 16mm-34mm/0.62-1.33in (16, 18, 20, 22, 24, 26, 28, 30, 32, 34 each small pack), 10 sizes, each packet is about 20, 200pcs in total.Tips: Hand-packed, the number may vary slightly.Notes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3cm measuring deviation due to manual measurement.1 Pack X Waterproof O-Ring(200pcs)