The handle is high strength ABS, with a textured, non-slip surface for a positive grip. The tester undergoes strict testing piece by piece at 2,000V. It gives an indication of voltage between phases 220 to 250V, 50/60Hz (up to 500Hz). The hardened, nickel-plated blade is 60mm long with a 0.5 x 3.0mm tip. A spring steel clip secures the tester in your shirt pocket. Total length 140mm.