Manufactured from Beryllium Copper. Die forged. Open-end and 12-point WallDrive® ring combination. Supplied in storage pouch.27mm Combination Spanner - Non-Sparking• Manufactured from Beryllium Copper.• Die forged.• Open-end and 12-point WallDrive® ring combination.• Lifetime guarantee*.• Model No. NS012Model No: NS012:Brand: Premier:Length: 290mm:Nett Weight: 0.45kg:Size: 27mm:PTDSEANS012