Laminated steel body with anti-corrosion finish, protective sleeve and hardened steel, double-locking closed shackle. Offers resistance from attack. Ideal for gates, garages and sheds. 2 keys supplied. Anti-Pick 4-Pin Tumbler Locking Mechanism Laminated Steel Body Round Hardened Steel Shackle Suitable for Indoor & Outdoor Use Over 1000 Key Differs Anti-Pick 4-Pin Tumbler Locking Mechanism Laminated Steel Body Round Hardened Steel Shackle Suitable for Indoor & Outdoor Use Over 1000 Key Differs