13 piece non-sparking spanner set ranging in sizes 5.5mm - 30mm Manufactured from Beryllium Copper, these combination spanners are built to last. They are die-forged, one of a comprehensive range of Premier Non-Sparking Safety Tools, suitable for daily professional use and come supplied in a handy storage pouch. Features:    One of a comprehensive range of Premier Non-Sparking Safety Tools, suitable for daily professional use Manufactured from Beryllium Copper Die forged Double-end 12-point WallDrive ring combination Supplied in a storage pouch Contains sizes: 5.5 x 7, 6 x 7, 8 x 10, 9 x 11, 10 x 12, 12 x 14, 14 x 17, 17 x 19, 19 x 22, 22 x 24, 24 x 27, 27 x 30, 30 x 32mm Specification:  Pack Qty: 13 piece