Our Catalogs: Ring Catalog Cat - O-Rings (Metric).pdf X-Ring Back-up Ring V-Seal O-Ring Kit Cat - O-Ring Cord.pdf Define O-Ring Sizes & Standard.pdf Seal Catalog Overview - Twin Seal Hydraulic Seals Cat - PU Rod cum Wiper Seal - UB1.pdf Overview - Twin Seal Pneumatic Seals New Seal Catalogue Complete.pdf Friction Catalog Cat - Piston Seal (Low Friction) UC7.pdf Cat - Piston Seal (Low Friction) UC7.pdf Cat - Piston Seal U Cup (Low Friction) UF5.pdf Data Sheet – Solenoid Valve Seal (HNBR)