Extra Long 8 Piece Aviation Double Ring Spanner set

 8mm to 24mm
 
Double hex ring spanner on either side
The ring head of the Spanner extends out from the shaft on one side and sits flush with the shaft on the other side to allow you to reach Awkward nuts and bolts
Double ended Ring Spanner so one spanner has 2 rings with different sizes
Extra long design for when you need extra leverage or for restricted access into awkward areas