10-18 AWG Solid; Thumb-Valleyv thumb guide promotes comfort while focusing kinetic energy for faster wire stripping. Pocket-Locketv locks even tighter when tool is slipped into holster or pants pocket for added safety; Shear-Cutv bolt cutters slices through bolts easily and cleanly; Textured non-slip Santoprene grips cushion your hand to reduce stress in wrist while wicking away perspiration; Color coded for quick reference (solid wire - yellow, stranded wire - red). Narrow plier nose is perfect for holding and twisting wires in hard to reach places.