200PCS Solid Copper Crush Washer Gasket Set Flat O-Ring Seal Assortment Kits US Condition:100% Brand New & High Quality Size:As Picture Fitment:For For nuts Features: HIGH QUALITY – The flat washers set is made of red copper with fine workmanship, which provides with a higher temperature resistance and conductivity, tighter seal, not easy to damage. EFFICIENT FUNCTION – Flat washers used with nuts and bolts can provide a greater bearing surface, can reduces friction to prevent loosening, pulling through, leakage, dispersion pressure. WELL PERFORMANCE – The washers with smooth surfaces for preventing galvanic corrosion, particularly by insulating steel screws from aluminum surfaces.These will make a seal after deformation as copper is soft. VARIOUS SIZES – We provided 9 kinds common sizes including: M5/M6/M8/M10/M12/M14, 200pcs in total, stored in a clear transparent box with separate dividers.You can choose different sizes to meet your different needs. WIDE APPLICATION – Great for sump plugs, water, fuel and hydraulic fittings on electrical connections, automotive, household, commercial appliances and Marine Uses. Also perfect for doing small projects like jewelry making. Package Include:200 pcs copper washer gasket flat ring M5*9*1 30pcs M6*10*1 30pcs M6*12*1 20pcs M8*12*1 20pcs M8*14*1 20pcs M10*14*1 20pcs M12*16*1 20pcs M12*18*1.5 20pcs M14*18*1 20pcs 1. We accept PayPal and Managed Payments via eBay Secure Check-Out. 2. Taxes may be applicable at checkout as states adopt new laws and regulations regarding sales tax collection. 3. We will leave a positive feedback immediately after payment is received. We appreciate a positive feedback as much as you do. If for some reason there is any issue with the purchase, please contact us prior to leaving feedback, and we will be glad to work with you to have it resolved. 1. Shipping From South El Monte, California, US, Items will be shipped within 1-3 business day when we received payment. 2. You will receive all orders promptly and exactly as described. In addition, it allows customers to return new and unused products in their original factory condition for any reason within 30 days from the date of purchase. Buyer is responsible for return shipping fee. Refund will be issued as soon as return was received. 3. Delivery time depends on destination and other factors, but it usually spend 3-8 days. 1. Your satisfaction is our priority! Our team has consistently strived to improve our customer service and our commitment to quality. 2. Any Question, please contact us at 8:30am -17:30pm GMT+8, All emails will be responded to within 24 hours. 3.Think carefully before leaving neutral/negative feedback. Please feel free to contact us via e-mail first should there be any problem with the item you received. Condition:100% Brand New & High Quality Size:As Picture Fitment:For For nuts Features: HIGH QUALITY – The flat washers set is made of red copper with fine workmanship, which provides with a higher temperature resistance and conductivity, tighter seal, not easy to damage. EFFICIENT FUNCTION – Flat washers used with nuts and bolts can provide a greater bearing surface, can reduces friction to prevent loosening, pulling through, leakage, dispersion pressure. WELL PERFORMANCE – The washers with smooth surfaces for preventing galvanic corrosion, particularly by insulating steel screws from aluminum surfaces.These will make a seal after deformation as copper is soft. VARIOUS SIZES – We provided 9 kinds common sizes including: M5/M6/M8/M10/M12/M14, 200pcs in total, stored in a clear transparent box with separate dividers.You can choose different sizes to meet your different needs. WIDE APPLICATION – Great for sump plugs, water, fuel and hydraulic fittings on electrical connections, automotive, household, commercial appliances and Marine Uses. Also perfect for doing small projects like jewelry making. Package Include:200 pcs copper washer gasket flat ring M5*9*1 30pcs M6*10*1 30pcs M6*12*1 20pcs M8*12*1 20pcs M8*14*1 20pcs M10*14*1 20pcs M12*16*1 20pcs M12*18*1.5 20pcs M14*18*1 20pcs