Introduction:
This Is A Set Of 750Pcs New O-rings Gaskets For Watch Repair. Make Your Watch No Water.

Features:
1.High Grade Rubber， Durable.
2.With Flexibility， Can Perfect Fit With Your Watch.
3.16-30mm Different Sizes， Can Meet You Different Need.

Specification:
Color:Black
Size:16mm 17mm 18mm 19mm 20mm 21mm 22mm 23mm 24mm 25mm 26mm 27mm 28mm 29mm 30mm
DIA: 0.7MM
Package Size:19.3 x 13.9cm

Package Include:
750 PCS Watch Back Gasket