Based on the long run production and incase of to match up mold inserlarge order ,LKM Brand Mold base 1.1730 steel t 718 steel, 2 cavities mold with 1 million die life can increase the production at a short injection molding cycle time , also can decrease the injection molding tooling cost. Of course, we can speed up the progress of production with no any other extra charge if your company asked for. Mold size:210*290*250mm. Weight: about 120Kg.35days for making mold, tolerance accurate into +0.02mm. As per my factory experience, in general, the mold can get high quality with the above steel and precise tooling. If the mold is in trouble or other problem that can not work, We have prepare a plan to adjust or fix the mold or renew the insert or tooling the mold, it is infrequent in my factory ,once it occur, we can resolve within 3days and will in charge of total repair cost. In view of the comb with bright surface and good heat imprint brand, We are serious in good mold polish tooling and plastic material by pure Polystyrene and design pin-point gate for the comb mold, so that the comb can get good quality. About produce the comb technique, my factory will trial mold by trial Polystyrene material in injection molding machine, Polystyrene original color is colorless, so will be adjust into mixture polystyrene with nice whirly Tortoise shell design as your picture by toner proportionately.Injection Machine:90T, 35S/Shot, several weeks is enough for injection molding.