520mm TIG Glass Fiber Main Blades
Length: 520mm (520mm bolt hole to blade tip)
Thickness: 12mm (blade root)
Weight: 113g each
The finish on these blades is rough. Tried them on an Align 550. Failed in flight with the blades breaking at the root.If you just want blades to keep you flying, then these are OK. The finish is not the greatest. They fly and track excellent. Will buy more. Keep them stocked HK.