Heat press made of 6061-T6 aluminum excellent choice for a durable and long-lasting pre-press mold. This type of aluminum is known for its high corrosion resistance and finish quality, making it a very popular material for a wide range of industrial and commercial applications. This pre-press mold measures 2 inches by 4 inches is a convenient size for pressing small batches of material, such as herbs, flowers, or kief, into pucks or bricks before loading them into a larger press for extraction. When using a pre-press mold, it is important to ensure that the material is evenly distributed and compacted to prevent any voids or inconsistencies in the final product. The heat press should also be calibrated to the correct temperature and pressure for the type of material being pressed. Overall, a 6061-aluminum pre-press mold is a solid choice for anyone looking to improve their extraction process and produce high-quality concentrates. ArmorWorks Pre-Press Mold allows you to compact herbs so that you can press more materials in less time. This ultimately improves production efficiency while increasing your ROI. Puck size is 1-3/4" x 3-3/4". Compacted material helps increase your yields and reduces filter bag blowouts during solvent-less concentrate oil extraction process. The mold consists of three parts that are made of food-grade clear anodized aluminum. Technical Specifications: Internal plate size, L x W: 1-3/4 x 3-3/4 inch / 45 x 95 mm Dimensions when assembled, L x W x H: 4 x 2 x 2 inch / 100 x 50 x 50 mm Material: 6061 Aluminum.