Truth Hinge Satin Nickel 56-440SNK Cylinders Classroom Security Lock w/ Deadbolt Emtek Brookmont 1 Inch Cabinet Knob - Black - 86546 Hinge style and Size:3 1/2" x 3 1/2" Heavy Duty Plain or Ball Bearing Hinges Lifetime Brass 1069-67-16

Classroom Security Lock w/ Deadbolt and Auxiliary Latch Function: Latch bolt retracted by lever from either side unless outside lever is locked from inside or outside by key

Each safe has a 1/4" steel plate door and as a result of this you can't beat the quality or the price

90° cam rotation by operating key releases spring loaded locking pin

Part #18 on the exploded view diagram

and a highly compressed proprietary concrete mixture

Truth Hinge Satin Nickel 56 440SNK Cylinders Classroom Security Lock w Deadbolt Emtek Brookmont 1 Inch Cabinet Knob Black 86546 Hinge style and Size:3 1 2" x 3 1 2" Heavy Duty Plain or Ball Bearing Hinges Lifetime Brass 1069 67 16 Classroom Security Lock w Deadbolt and Auxiliary Latch Function: Latch bolt retracted by lever from either side unless outside lever is locked from inside or outside by key Each safe has a 1 4" steel plate door and as a result of this you can't beat the quality or the price