red ABS center disc is affordable, and the upgraded silver stainless steel center disc is more durable Good for wires from 24 AWG (3/64inch) and up, either solid or stranded. Great wire stripper for on-the-go users looking to strip small sections of wire.This machine may not be to strip wires thicker than 10 AWG, especially with tougher insulation. Product Size: 3-1/2inch x 1-3/4inch x 2inch Colour:silver + red :Metal + Plastic Package Contents: 1 x Handheld Copper Wire Stripping Machine Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.