Allegion:
http://us.allegion.com/IRSTDocs/Catalog/106501.pdf
http://us.allegion.com/IRSTDocs/Catalog/110449.pdf#page=18
http://us.allegion.com/IRSTDocs/Catalog/110449.pdf#page=52
http://us.allegion.com/IRSTDocs/Catalog/106479.pdf
Assa Abloy:
http://www.corbinrusswin.com/en/site/corbin-russwin/library/catalogs/cylinderskeyring/
http://www.sargentlock.com/documents/index.php?cat_id=71
Stanley Hardware:
http://www.bestaccess.com/products/cylindricallocks9k.asp
http://www.stanleycommercialhardware.com/pdf/STCH_CATALOG_ST-CH-0005_WEB.pdf
