【Available in Different Sizes】Watch tool kit in 19 different sizes from 12 to 30 mm: 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 , 29, 30 mm, (0.47/ 0.51/ 0.55/ 0.59/ 0.63/ 0.67/ 0.71/ 0.75/ 0.79/ 0.83/ 0.87/ 0.91/ 0.94/ 0.98/ 1.03/ 1.06/ 1.1/ 1.14/ 1.18 in).
【Installation Method】Install the waterproof rubber gasket of the watch on the case back case, which can cover the gaps between the strap and the movement, and is a good watch repair accessory.
【Waterproof Function】The waterproof function of the back gasket of the watch, good sealing, excellent flexibility, can perfectly fit your watch, suitable for watch repair shops and DIY watchmakers.
【Package Included】This is a set of 950pcs of watch O-ring gaskets, 19 sizes of rubber O-ring thickness 0.5mm, 50pcs in a plastic bag (total: 50pcs x 19=950pcs), each size is individually packaged and is not easy to mix together.
【Excellent Rubber Material】The rubber gasket seal assortment set is made of excellent rubber material, which is flexible, stretchable, elastic, wearproof, corrosion-proof and durable.