Size - Press Total Size:100 x 65 x 80mm / 3.94 x 2.56 x 3.15-inch(LxWxH), Round size:50/48mm,45/43mm,42/40mm,38/36mm,34/33mm,32/31mm,30/28mm,26/24mm,23/21mm,20/18mm,16mm,25/20mm,Square size:45mm,40mm,35mm,30mm,25mm,20mm,Shield size:44mm,37mm Material - The press is made of acrylic,more stable and easy pressure application. The dies are made of ABS plastic, which will not scratch the watch crystals glass. Feature - This watch press tool applies pressure by screwing top handle, you can control how much pressure you use, you can use just enough pressure to fit case back. Application - The inserts of dies can be screwed to the watch press tool, which is convenient to use. Note - Please make to use the correct fitting dies to avoid damaging the watch. Colour:As Shown Material:Metal+Plastic Package Contents: 1set * watch press set back case closer Only the above package content, other products are not included. Note: Light reflection 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.