Sealey NS064 Extension Bar 1/2″Sq Drive 250mm – Non-Sparking Features and Benefits: Manufactured from Beryllium Copper. Die forged. Spring-ball socket retainer. Manufactured from Beryllium Copper. Die forged. Spring-ball socket retainer. Lifetime guarantee*. Model No. NS064 One of a comprehensive range of Premier Non-Sparking Safety Tools, suitable for daily professional use. Manufactured from Beryllium Copper. Die forged. Spring-ball socket retainer. Lifetime guarantee*. Commodity Code: 8204110000 Country of Origin: CHN Model No NS064 Brand: Premier Contents: 250mm Drive: 1/2″Sq Nett Weight: 0.455kg