Wthis is a high precision plastic injection molding terminal or connector for our Taiwan customer. there are 25 small square hole, the hole size around 0.8 x 0.8 mm, only 0.01 mm radius is permitted, it even reach the limitation for precision plastic injection molding items for this radius . the production tolerance tolerance is +/-0.05 mm and critical dimension is +/-0.02 mm. tooling need to use special mold steel as it need hard enough and also need the flexibility . this mold is a 2 cavities mass production mold with one million shot life which under the spare part support for small pins. If you need to find a creditable precision injection molding and tooling supplier , please contact us freely.