MATERIAL: Steel Body; SIZE:81mm DURABLE DESIGN: Locks includes stainless steel construction for increased strength and security STRONG SECURITY: Lever mechanism provides pick and pry resistance, shrouded design minimizes shackle exposure HARD SHACKLE: Hardened shackle resists hacksaw cutting and rusting under normal atmospheric conditions Address; G-40 & 41, Sector-09, Noida, Gautam... https://surajsafespaces.com/app/user/ref? Link CSL Centre Shutter Lock Double Locking//