Stay Spark-Free with The Sealey NS037 Non-Sparking Slogging Spanner The Sealey NS037 is a Ring End Non-Sparking Slogging Spanner manufactured from die-forged Beryllium Copper. Fitted with a short profile handle and a heavy-duty striking end. Used with a non-sparking hammer to tighten/loosen large nuts or bolts. Features:    Die forged Manufactured from Beryllium Copper Short profile handle with heavy-duty striking end Used with a non-sparking hammer to tighten/loosen large nuts or bolts Specification: Length: 265mm Model No: NS037