1. Attention: This copper bead is a precision copper bead, solid, standard, and made of pure copper both inside and outside. The material is guaranteed. The pure copper bead product is divided into two types of materials: 999% pure copper material or H62 pure brass material, which is environmentally friendly, with a tolerance of 0.005mm, which is within plus or minus 1 wire.

2. A simple method to distinguish the authenticity of copper ball materials: 1) The copper ball has no magnetism and can be tested with a magnet to determine whether it is pure copper ball. 2) Use a small knife to gently scrape open the surface. If the color inside turns yellow or red, it is copper material; If it turns white or black inside, it is iron or other inferior materials, and it is a fake.

3. Spectrometer material detection: The most standard and authoritative material detection method, which can accurately determine the percentage of material element content. This method is widely used in large-scale engineering and enterprises

4. Typical uses The application fields of the copper bead: valves, spray, instruments, pressure gauges, water meters, carburetors, electrical accessories, etc

Package include:

According to your choice

Payment:

We accept Paypal only, It is fast, Easy and Safe.

Payment must be completed within 7 days.

PLEASE NOTE: S&H DOES NOT INCLUDE DUTIES, LOCATL TAXES OR ANY OTHER IMPORTATION FEES.

Please list your special requests (color, packages, etc.) in the PAYPAL NOTES SECTION when you make payment.

Shipping:

We Ship to Worldwide.

Orders processed within 24-48 hours of payment verification. it will take 15-25 days for delivery. but Customs will random inspection some parcel, so that's why some parcel need more than four weeks to arrive. Shipping time is only estimated and not guaranteed.

We only ship to confirmed PAYPAL addresses. Your PAYPAL address MUST MATCH your Shipping address.

Package to USA will Shipping by E-Package with Tracking Number(7-15 Days to Delivered). To other Countries will shipping by Post Air Mail without tracking number(ONLY when the order is over 20USD will supply Tracking Number Shipping Way!)(15-35 Days to Delivered)

Items are shipped via China Post Air Mail.

Guarantee:

Good Good quality. Buy with confidence!

If you are not satisfied when you receive your item, please return it within 7 days for a replacement or money back. Please contact me before you return it.

Not accept returning of electronic components.

Full refund after we receive our original item, Note: Return shipping is to be paid by the Buyer.

We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.