This product is metal except for the press and glue. It is sturdy and durable.
The press and die are made of plastic which will not hurt the watch.
In addition there are metal screw holes between the press and the mold which is more convenient and labor-saving.
When pressing the watch put a cloth pad on it so as to better protect your watch.
Press size: 50/48 46/44 42/40 38/36 34/33 32/31 30/28 26/24 23/21 20/18