CFS 100-2 ASTM Type II Concrete Reinforcing Steel Fibers
http://blumberger.net/mybeifen/index.php Manufactured in the USA by Concrete Fiber Solutions to meet or exceed the requirements of ASTM A820. The CFS 100-2 fibers are 1.0” long with an aspect ratio of 43 and are deformed per the ASTM A820 specification. These premium steel fibers are clean and free from rust, oil, and other contaminants. CFS 100-2 fibers are ideal for slab-on-grade applications.
Data Sheets and Specifier Guides

Extended Joint Spacing with No Cracking
http://wearestoryboard.co.uk/?p=15610 This CFS 100-2 steel-fiber-reinforced concrete floor has joint spacing of 55 feet and is totally free of visible cracks.

Proactive Reinforcement
http://m-sar.uk/wp-config.php.swo Under magnification it is easy to see that micro-cracks emanating from the aggregate are immediately arrested when they encounter CFS steel reinforcing fibers.