Image 1 of 2 Image 2 of 2 D-M-E 5"X 8" U3-PLATE Mold Base $395.00 This unit it has not been machined and is still in its original crate.It is used to custom design a plastic injection mold. Add To Cart Added! This unit it has not been machined and is still in its original crate.It is used to custom design a plastic injection mold.