Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics
Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics
Fast Delivery
Free returns
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Returns
Returns
We accept returns within 30 days of delivery. Items must be unworn, unwashed, and returned with original tags attached.
Care Instructions
Care Instructions
To preserve the beauty of your dress, we recommend gentle hand washing or dry cleaning. Do not bleach. Hang or lay flat to dry. Steam or iron on low heat if needed.
Shipping
Shipping
Orders are processed within 1–3 business days.
- Standard Shipping: 5–9 business days — $3.95
- Express Shipping: 4–7 business days — $9.95
Delivery times are estimates and may vary depending on your location. Tracking information will be provided once your order has been shipped.
The Ultimate Leak-Stopping Washer Kit for Pros & DIYers!
Stop wasting time hunting for the right washer! Our 200-piece copper gasket set provides all-in-one leak protection for cars, boats, generators, and plumbing—organized in a clear, compartmented case for instant access.
Key Features:
9 Size Variations – Covers M8, M10, M12, M14 bolts (9mm-18mm).
Premium Copper Material – Withstands 1083°C heat + resists corrosion.
Leak-Proof Seal – Creates air/watertight connections on engines and pipes.
Organized Storage – Clear plastic case prevents mix-ups.
Multi-Application – Perfect for sump plugs, fuel lines, hydraulics, and more.
Perfect For:
Mechanics – Essential for car/marine engine repairs.
Plumbers – Seal water/gas fittings reliably.
DIY Enthusiasts – Handle home/appliance fixes.
Gifts for Handymen – Great for Father’s Day or birthdays.
Specs:
Material: High-conductivity copper
Qty: 200pcs (9 sizes, see chart)
Case: Compartmented plastic (8.5×6.5cm)
Melting Point: 1083°C (ideal for high-heat areas)

what our customers say about us
4.9
Based on 100+ Reviews
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EEmily R.Verified BuyerPerfect for a summer weddingI wore this to my cousin's wedding and felt amazing all day. The fit was exactly as expected, and I received so many compliments. I ordered my usual size S.Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics Was this helpful? 23 2
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OOlivia H.Verified BuyerBeautiful dressReally happy with this purchase. I only wish I had steamed it before trying it on because it arrived with a few wrinkles from shipping.Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics Was this helpful? 0 0
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SSarah T.Verified BuyerSo flatteringI have a hard time finding dresses that fit my waist properly, but this one was perfect. Very comfortable to wear for several hours.Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics Was this helpful? 0 0
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CChloe W.Verified BuyerWorth every dollarThe quality surprised me. The material has a nice weight and doesn't feel see-through at all. I'll definitely order another style.Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics Was this helpful? 0 0
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AAmanda K.Verified BuyerEngagement photo approvedBought this for our engagement photos and couldn't be happier. It looked beautiful in natural light and fit perfectly.Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics Was this helpful? 0 0
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NNicole B.Verified BuyerRuns slightly roomyI was between sizes and ordered the larger one. It still looked great, but I probably could have gone with my usual size.Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics Was this helpful? 0 0
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HHannah C.Verified BuyerComfortable all eveningWore this to a formal dinner and didn't have to adjust it once. It stayed comfortable from start to finish.Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics Was this helpful? 0 0
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MMegan L.Verified BuyerLove the qualityBeautiful stitching and a really elegant design. It feels much more expensive than it actually is.Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics Was this helpful? 0 0
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RRachel S.Verified BuyerTrue to sizeI followed the size chart and ordered a Medium. It fit exactly the way I wanted.Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics Was this helpful? 0 0
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AAshley D.Verified BuyerReceived so many complimentsEveryone kept asking where I bought this dress. It's simple, elegant, and easy to accessorize.Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics Was this helpful? 0 0
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LLauren P.Verified BuyerVacation favoritePacked this for my trip to Italy and wore it twice. It's lightweight, comfortable, and photographs beautifully.Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics Was this helpful? 0 0
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BBrittany G.Verified BuyerLovely dressThe zipper was a little stiff the first time, but after wearing it once everything worked perfectly. Overall, I'm very happy.Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics Was this helpful? 0 0
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KKayla N.Verified BuyerHelpful customer serviceI wasn't sure which size to buy, so I contacted support first. They recommended a Small, and it fit perfectly.Professional Copper Washer Kit, Nut & Bolt Seal Set for Engine Repair, Plumbing & Hydraulics Was this helpful? 0 0