Key Features High-quality and Durable: The high-quality Cr45 steel processed by high-temperature quenching has a higher hardness and better abrasion resistance, keeping the products practical and sturdy for high-strength and long-term use. 4 Pieces a Set: The package comes with four types of "TH" series molds with different diameters(16mm, 20mm, 26mm, 32mm) for meeting your different demands. Elaborate Design: The precisely designed and produced dies can fit the pipes with corresponding sizes well and provide you with an excellent crimping result. Application The package contains four types of dies that include TH16, TH20, TH26, and TH32, which are mainly used for crimping aluminum-plastic tubes and can be used in various industries, such as bridge erection, electric power, shipbuilding, and site construction. Specifications Color: Black Material: Cr45 Steel Process: High-temperature Quenching Dies Model: TH16, TH20, TH26, TH32 Dies Height: 32mm/1.26inch Dies Outer Diameter: 42mm/1.65inch Dies Inner Diameter: 16mm/0.63inch, 20mm/0.79inch, 26mm/1.02inch, 32mm/1.26inch Packaging Size: 17.5*12.5*5cm/6.89*4.92*1.97inch Gross Weight: 0.7kg/1.54lbs Package Included 4Set* Pipe Presser Jaws Notes 1.Please check the specifications of your tube and the specifications of the product carefully before purchasing. This product does not include the pipe press pliers.