The classic Master Lock laminated steel padlock, invented by company founder Harry Soref and built to stand up to physical abuse, offers real dependable protection. For over 90 years Master Lock laminated steel padlocks have been 'Tough Under Fire'. Each padlock has a laminated steel body, hardened steel shackle and dual locking levers. A variety of multi-pack options, where all padlocks in the pack open with the same key (keyed alike) is also available. Padlocks are available with 4-pins and with long shackle options for a wider range of possible application options. All Master Lock padlocks are supplied with a minimum of 2 keys and a Lifetime Warranty against mechanical failure. Suggested uses: sheds, residential gates or garages. The Master Lock 3EURD has the following specifications: 38mm laminated steel padlock - 19mm hardened steel shackle, 7mm diameter - 4-pins Master Lock Laminated Steel 38Mm Padlock 4-Pin in Silver