Sealing Performance : High elastic rubber o rings provide reliable water dust protection for watch back covers
Material Specification : Premium rubber composition with 0.6mm thickness for flexibility oil and heat resistance
Assorted Compatibility : Includes multiple diameters to fit most watch models and watchmaker repair tasks
Use Cases : Ideal for professional watchmakers diy watch repair restoration and routine maintenance
Package Details : Product size 7.2 x 5 x 0.2 cm (2.83 x 1.97 x 0.08 in) thickness 0.6 mm diameter range 13-40 mm quantity 28 pcs/pack product weight 5.4 g (0.19 oz) package weight 7 g (0.25 oz) package size 11 x 18 cm (4.33 x 7.09 in) packaging content 3 packs