A nibbler is a tool for cutting sheet metal with minimal distortion. They may be used for nibbling. Power nibblers are often powered by compressed air, though electrical types also exist. A common DIY nibbler tool is an electric drill attachment, which converts the rotary motion of the drill into a reciprocating motion of the jaw. Ultimamac has wide variety of Nibbler Spare parts. You can get Original Nibler Spares under one roof from Authorized and genuine dealer at the lowest price.