Manufactured from Beryllium Copper. Die Forged. Open-end and 12-point WallDrive® ring combination. Supplied in storage pouch.12mm Combination Spanner - Non-Sparking• Manufactured from Beryllium Copper.• Die forged.• Open-end and 12-point WallDrive® ring combination.• Lifetime guarantee*.• Model No. NS004Model No: NS004:Brand: Premier:Length: 155mm:Nett Weight: 0.080kg:Size: 12mm:PTDSEANS004