Stay Spark-Free with The Sealey NS040 Non-Sparking Ratchet Wrench The Sealey NS040 is a 1/2\" Sq Drive Non-Sparking Ratchet Wrench, manufactured from die-forged Beryllium Copper. Featuring a twist reverse mechanism with knurled handle for added grip and control. Features:    Die forged Twist reverse mechanism Manufactured from Beryllium Copper Knurled handle for added grip and control One of a comprehensive range of Premier Non-Sparking Safety Tools, suitable for daily professional use Specification: Length: 245mm Model No. NS040