Sentry Safe Undercounter Drop Slot Safe - UC-039K A "must have" for security conscious business managers. The SentrySafe Drop Slot Safe - UC-039K comes with an anti-fishing slot, anti-pry door, dual key lock and bottom side piano hinge. Designed with solid steel construction, the UC-039K has pre-drilled anchor holes to facilitate bolting the unit to the floor. Capacity: 39 cu. ft.||