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Hi everyone, A little help for below item ? What are they used for? Markings meanings? Or point me in a direction. Many thanks http://rs374.pbsrc.com/albums/oo187/azzy83/IMG_1132_zpskzug9vn8.jpg?w=480&h=480&fit=clip http://s374.photobucket.com/component/Download-File?file=%2Falbums%2Foo187%...

Hi everyone, A little help for below item ? What are they used for? Markings meanings? (admin edit - see Posting Requirements ) Or point me in a direction. Many thanks http://s374.photobucket.com/user/azzy83/media/IMG_1132_zpskzug9vn8.jpg.html?filters%5Buser%5D=142348870&filters%5Brecent%5D=1&am...