General description Extra long, double ended ring spanner set providing extra leverage, suitable for various applications. Technical specifications Sizes: 8 x 10mm, 11 x 13mm, 12 x 14mm, 13 x 15mm, 16 x 18mm, and 17 x 19mm Material: Chrome vanadium Finish: Polished Design: Low profile, Bi-Hex (12pt) with face drive Other information Supplied in a blow mould storage case