The Magnum 2300 SD-U utilizes dual side belt drives that provide the best performance for uniform case sealing applications, including narrow or long boxes. The opposing side belts create optimum grip on the case and allow for upgrades such as flap folding options to improve productivity. A simple turn of the crank handles quickly adjust the machine for different box sizes. Highlight's case sealers are equipped with Magnum 200 Series tape heads which provide accurate and consistent tape application to the top and bottom of cases using any 2" carton sealing tape. Magnum tape heads are engineered with the most heavy duty and reliable components in the industry, and are packed with features for flexibility.