Fluoropolymer Material Large Entegris Tongs Product Features The wide tip provides excellent stability when gripping the edges of substrates. Guide pins prevent lateral movement of the tongs and damage to the substrate processing area. These are large, corrosion-resistant tongs. Product Name: Entegris Tongs Model Number: C52-0215 Material: PFA (Fluoropolymer) Size: Approximately 190mm x 45mm Tip Shape: Wide Tip Width: 19mm