Sizes: 8 x 10mm (Approx Length: 234mm) 11 x 13mm (Approx Length: 329mm) 14 x 15mm (Approx Length: 369mm) 16 x 17mm (Approx Length: 409mm) 18 x 19mm (Approx Length: 409mm) 20 x 21mm (Approx Length: 415mm) 22 x 24mm (Approx Length: 432mm) Features: 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 Supplied in a canvas storage pouch