Bonded Sealing Washers, Galvanized Stl, Package Of 25. Size: 5/16 Inch X 3/4 Inch Outer Diameter. Metal Washer With Layer Of Neoprene Rubber On One Side. Metal Side Provides Strength While Rubber Side Creates A Secure Water Resistant Seal. Neoprene Rubber Seal Also Helps Protect Against Corrosion. Great For Use In Plumbing Or Outdoor Applications Such As Roofing. Specification(S) Met: Astm A653 Type B. Mfg #9084433

• Size: 5/16 Inch X 3/4 Inch Outer Diameter
• Metal Washer With Layer Of Neoprene Rubber On One Side
• Metal Side Provides Strength While Rubber Side Creates A Secure Water Resistant Seal
• Neoprene Rubber Seal Also Helps Protect Against Corrosion

Prime Line Bonded Sealing Washers, #8 X . Od, Galvanized Stl, Package Of 25. Size: #8 X 1/2 Inch Outer Diameter. Metal Washer With Layer Of Neoprene Rubber On One Side. Metal Side Provides Strength While Rubber Side Creates A Secure Water Resistant Seal. Neoprene Rubber Seal Also Helps Protect Against Corrosion. Great For Use In Plumbing Or Outdoor Applications Such As Roofing. Specification(S) Met: Astm A653 Type B. Mfg #9084300

• Size: #8 X 1/2 Inch Outer Diameter
• Metal Washer With Layer Of Neoprene Rubber On One Side
• Metal Side Provides Strength While Rubber Side Creates A Secure Water Resistant Seal
• Neoprene Rubber Seal Also Helps Protect Against Corrosion