The ND drop-in napkin dispenser has two extension springs that support the napkin carrier head. With a top supporting flange made of 18-gauge stainless steel, the dispenser body has four vertical angle guides that run from the bottom of the unit to the top flange. The ND napkin dispenser has a 20 gauge stainless steel napkin cover that snaps into the top flange to hold napkins in place. All models hold up to 500 paper napkins at an 18" stack height (capacity will vary depending on style of napkins being dispensed).