Description:1. Made of metal, durable and sturdy.2. 3 Pcs keys included.3. Special designed for rolling shutter door security use.4. Easy to install.5. Replacement for warehouse, garage, store door, etc.Specification:Product Name: Rolling Shutter Door LockMain Color: Gold ToneMaterial: MetalWeight: 283gOverall Size(Unlocked): 235 x 55 x 23mm / 9.25-inch x 2.2-inch x 0.91-inch(L*W*H)Mounting Hole Size: 9 x 6mm / 0.35-inch x 0.24-inch(L*W)Mounting Hole Center Distance: 140 x 40mm / 5.51-inch x 1.6-inch(L*W)Cylinder Head Dia: 25mm / 1-inchLocked Length: 280mm / 11-inchPackage Content: 1 x Rolling Shutter Door Lock, 3pcs x Key.