DABPRESS 2x4 Pre Press Mold ( Flower & Hash )  - Loading 7 to 12g Materials - Pairs 2x4 Inches Filter Bags Features: Double PETP Sheet Attached - Create 7 - 14g slim pucks with included non-stick PETP plates. Rectangle Pucks Created - 2x4" pre-press puck maker pairs with 2x4" or 2x4.5" filter bags( 2x4.5" bag could be cut into 2x4" bag ). Anodized Aluminum Made - The mold is anodized into a silver color for getting a smooth surface. Tools To Assist - Recommend creating pucks with an arbor press or bar clamp to compress; Do not make pucks with other rosin presses to protect the working surface from scratching. Hash & Flower - The mold is well suited to create pucks of hash and flowers.  Specifications: Item No.: dp-pm4007s Anodized Aluminum Made The Puck Size: 40 mm (W) x 7 mm ( T) x 85 mm ( L) The Puck Size: 1.57" x 0.27" x 3.34"  2x4" Rectangle Puck Maker How to Avoid Filter Bags from Blowing out? Remove excess stems from flowers. Use less material in your filter bag. Preheating your material first to get it melty before you begin to apply pressure. Apply the pressure more slowly. How to Use Dabpress 2x4" Pre-Press Mold