This Clam Shell Sealer (KF-772DH) is equipped with two heated 3/8" wide and 10mm long serrated jaws. Two temperature settings are available: 356F and 410F (180C and 210C). Our KF-772DH clam shell sealer can be used to weld OPS, PSP, PVC, and EPS food packaging cases. The clam shell sealer is ideal for sealing poly packing cases such as clam shell and other similar types of containers. Handles remain cool during operation. The sealer can be used in voltages ranging from 100-240V.