I have a pair of used Graupner 8 x5 props for sale. I bought them for $45. They include washers as pictured.
Used ~5x.
Great Condition - no crashes with these.
$25 shipped.
http://f.cl.ly/items/1S0a0g312c1d433V1y1p/IMG_3251.jpg
Used ~5x.
Great Condition - no crashes with these.
$25 shipped.
http://f.cl.ly/items/1S0a0g312c1d433V1y1p/IMG_3251.jpg