90-912 | 4 Piece Ceramic Non-Conductive Tweezers Set. Ideal for handling semiconductors, silicon chips and delicate wafers. Static dissipative and conductive ideal for use with sensitive components where ESD damage is a concern. Tweezers are manufactured with carbon loaded materials. 4 blade types: duck bill, wide duck bill, 60 degree fine tip, and straight fine tip. Heat resistant up to 180 degreeC (250 degreeF), Acid resistance. tips do not spread under pressure. No contamination and non magnetic. Overall length 4.75".