The SKF Adjustable Hook Spanners HNA series facilitate the easy and safe tightening and loosening of KM, KML, N, AN, KMK, KMFE and KMT nuts. The spanners are made of special hardened steel for durability. 
One hook spanner covers several nut sizes, making it suitable for use with many applications. 

• Economic solution: 4 hook spanners cover 24 nut sizes
• Laser engraved designation, which represents the range of nut sizes covered by the spanner, allows easy selection of the correct spanner
• Versatile: suitable for KM, KML, N, AN, KMK, KMFE and KMT nuts
• Hole in the spanner's handle facilitates easy storage
• Minimises shaft and nut damage

Further downloads, documentation available on request
source: SKF
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