PA-06 strips stranded copper wire AWG30~AWG18 (SWG33~SWG19) & solid core AWG28~AWG16 (SWG30~SWG18) clean edge to the insulation strip, with no damage to the copper conductor wires (unlike most automatic wire strippers) exceptionally sharp & precise carbon steel jaws handles latch 'closed' for compact ease of storage oil-resistant TPR (thermoplastic rubber) grips for unmatched comfort