Sealey NS023 Slogging Spanner Open-End 41mm Non-Sparking The Sealey NS023 is a Slogging Spanner manufactured from die-forged Beryllium Copper, with a short profile handle with heavy-duty striking end. To be 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 One of a comprehensive range of Premier Non-Sparking Safety Tools, suitable for daily professional use Specification: Length: 230mm Model No. NS023