Casing cushion is an Perfect device for watch case working surface. Safe strategy to no longer scratch watch when replacing battery, glass or servicing a watch. This underside is product of anti material, height is PU with a recess in centre with a view to no longer damage a movement. Suitable for casing and un-casing movements, loosening screws, making regulator corrections. Professional device for watchmaker and watch repairman. Name:Watch Movement Cushion Use:Watch Repairing size:71mm Material:PU + Aluminum alloy colour:Silver + black Package Contents: 1 * Watch Movement Cushion Only the above package content, other merchandise usually are not included. Note: Light and diverse reveals can cause the color of the object in the photo slightly assorted from the genuine thing. The dimension allowed error is +/- 1-3cm.