1.Material : 50#; 65mn 2. Finished: hot tempered and hardened, black or blue finished 3. Specification: 1) thickness: 1.2mm, 1.3mm, 1.4mm, 1.5mm 2) width: 40mm, 45mm, 50mm, 55mm, 60mm 3) length:3m, 3.5m, 4m, 4.5m, 5m, 5.5m, 6m, according to your requirement 4. Packing: oiled, plastic film, carton, iron pallet ; carton size: 33x17x23cm This products is widely used for roller shutter door , locking making and so on. Specification: 1) thickness: 1.2mm, 1.3mm, 1.4mm, 1.5mm 2) width: 40mm, 45mm, 50mm, 55mm, 60mm 3) length:3m, 3.5m, 4m, 4.5m, 5m, 5.5m, 6m, according to your requirement 10pcs/carton Carton size: 33x17x23cm