The Sorrento Series Storage Options have a Low Wall Cabinet that has one internal shelf in each compartment that adjusts to 5 different positions on 1.25 increments. Does not lock. The Executive Buffet Cabinet has one internal shelf in each compartment that adjusts to 3 positions and 2.5 H increments. It does not lock. The Lateral files feature an interlock system allowing only one drawer to open at a time. A Standard gang lock is provided. SLC and SBUF have wood doors (Bourbon Cherry) or frosted glass doors (Espresso). SBQ5 and SB5 have 1 thick shelves. Sorrento Series collection Low Wall Cabinet has one internal shelf in each compartment that adjusts to 5 different positions on 1.25″ increments. Does not lock Executive Buffet Cabinet has one internal shelf in each compartment that adjusts to 3 positions and 2.5″ H increments. Does not lock Lateral files feature interlock system allowing only one drawer to open at a time. Standard gang lock provided SLC and SBUF have wood doors or frosted glass doors SBQ5 and SB5 have 1″ thick shelves SALES Mayline Group Sorrento 4 Door Credenza Top CAT_N Sales