Material:Made of galvanized iron,corrosion resistant,rust resistant,durable,and can be used for a long time. Design:The buckle design can be easily opened and closed;The non slip handle can be operated easily,safely and comfortably. Easy to Install:The installation distance is adjustable,adjust the screw according to the demand to tighten or loosen. Applications:Box closure tension lock is suitable for doors,cupboards,chests,boxes,cabinet doors,storage boxes,tool boxes,suitcases,etc. Easy to Adjust:the distance is adjustable during installation,you can adjust the position of the screws to the most suitable distance,and the holding force can reach 150 kg/330 lbs. Packing list: 4 X Box closure tension lock (does not include screws or nuts)