1/2" VDE Dip-Coated Insulated Ratchet, 270 mm Three layers of safety insulation marked with color codes In accordance with IEC 60900, for operating live equipment up to 1000 volts crafted from a high-performance alloy steel ratchet with 28 teeth that turns at a 13° angle A single button modifies the direction of the ratchet, while another button secures or unlocks the socket for the male square drive. Three layers of coating, each with a distinct color designating high, medium, or low danger. additionally a fourth in black to further shield the handle edges This establishes a visual warning system in addition to offering protection. The user will be alerted if the outer layer of insulation is damaged because the lighter color underneath will show through. Every single tool is put through a 10-second test at 10,000V.