RS Pro Super Economy Tweezers. RS Pro Super Economy Tweezers. A series of economy tweezers specially designed for use with electronic and medical applications. Firm, offer serrated handle grips and have a smooth stainless steel finish. RS Pro Super Economy Tweezers are anti-magnetic/ anti-acid stainless steel. Features and Benefits. Anti- Acid/ Anti-magnetic stainless steel. Serrated Handles. Various lengths and point types available