【Convenient to Use】 New watch back press tools set with 12 dies 18mm to 50mm ,Fypo press set made of cast metal to ensure strength,the handle surface have stripes,non-slip and durable, It comes with an assortment of 12 dies to allow for 50/48 46/44 42/40 38/36 34/33 32/31 30/28 26/24 23/21 20/18. 【Versatile】Blue watch repair tools,high quality and unique appearance,The base has four threaded holes,good stability 【Easy to use】 ABS Dies will not Scratch or Mark. And there is metal screw-socket in the middle of dies. So it is very easy to install them, Great for snap on watch - dies snap on and off quickly and easily. 【High Quality Materials】 Dies snap on and off quickly and easily.Great watch press for closing snap back type watch-cases, installing crystals and bezel rings. 【Service Guarantee】100% Brand new Watch Press Set Watch Back Press Tool. Professional, premium aftermarket replacement. In terms of any problem of this product, you can send emails as soon We will provide you excellent customer service and 100% satisfaction warranty. Product description This is a new case press These exclusive straight wall nylon dies will not scratch or mar crystals It is made of cast metal to ensure strength It comes with an assortment of 12 dies to allow for all size watches Snap-on system allows dies to snap on and off quickly Face down configuration means the repair person sees the case back being closed This is one of our most popular items and the closer we most recommend Every bench should have one It measure approximately 5 3/8" x 3 5/16" x 1 3/8" (137 x 84 x 35 mm) Use for diameter 25 mm - 40 mm Watch case Operation instruction: Step one: Choose one die bigger than the watch surface and install it on the top of this machine. Step two: Choose another die smaller than the rear cover, install on the bottom of press machine. Step three: Put the watch on the bottom die, make sure it is on the right position. Step four: Gently push the handle bar 1 PC