Easy to use, open the case back, adjust the strap, replace the watch battery, gasket, adjust the size of the watch, adjust the strap, etc.It is a perfect tool for changing the movement, hands, or repairing the watch, practical for use.Simple and easy operation, the movement can be easily replaced at home, bring you convenience.It is made of high quality steel materials for maximum durability,not easy to oxidize.Light weight and portable watch movement holder, suitable for watchmakers and watch repairing workers to use.Suitable for 28942 watch movement, dedicated fixed base for watch movement.Material:steelcolour:SilverPackage Contents:1 x watch movement1 x slot screwdriver bit4 x copper shaft4 x screwsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.