ExcellStainless Steel Discus 70mm Padlock - Master Lock M40EURD, The Master Lock ExcellStainless Steel Discus Padlocks are made with cutting edge technology to deliver unprecedented security. They feature tough cut patented octagonal boron carbide shackles which are 50% tougher to cut than hardened steel. Offering optimum weather resistance with the additional security of a shrouded shackle, which is much tougher to pull/pry open. They have a precision 4-pin cylinder and are supplied with a Lifetime Warranty against mechanical failure. Supplied with 4 keys and a Lifetime Warranty against mechanical failure. Suggested uses: gates, sheds, storage units, fences, containers and chains.The Master Lock M40EURD has the following specifications:70mm Excellstainless steel discus padlock - Shrouded octagonal boron carbide shackle, 10mm diameter - 4-pin tumbler cylinder Master Lock M40EURD ExcellStainless Steel Discus 70mm Padlock