Watch Tool for Screw on Pusher Case Tubes Works 

This watch tool was made for removing and installing chronograph pushers. Now comes with 18 interchangeable keys that fit everything from screw-on pushers and tubes, the oscillating weight bolt, to the battery cover and includes the new 2.00mm key for the Omga Sea Master tube. This kit comes together with the 18 keys, a master handle that allows you to use the keys, and a storage base to keep everything together and organized. The tips are made to grip tubes that are fluted on the inside, plus 5 different sized tips to grip those tubes that are fluted on the outside.
 

It can be used on brand watch movements
Comes with 18 interchangeable keys
8 Keys for Screw-On Tubes: 1.50mm, 1.80, 2.00, 2.65, 2.75, 2.95, and 3.00(2)
5 Keys for Screw-On Pushers: 4.35mm, 4.80, 3.6,3.5,3.0
2 Keys for Oscillating Weight Bolts: for ETA calibers 2892, 2893, 2894, 2895 and Eta/Valjoux calibers 2001-1, 7750，7751,7753
3 Keys for S watchbattery covers: Gent, Lady, and Medium
One master handle that holds all the keys
Fits many things from screw-on pushers, tubes, oscillating weight bolts, and battery covers