The 20200 (Super 4 Pro) features a "pistol-grip" dual-compound ergonomic handle. It automatically adjusts and strips wire sizes AWG 24 - 10 (0.2 to 6 mm²). The tool includes a wire cutter for cross sections up to AWG 14 (2.5 mm²), as well as an adjustable length stopper. For Solid & Stranded Wire.