30x30x60mm Triangular Prism BK7 Optical Prisms Gl Physics Teaching Refracted Light Spectrum Children Students Present
3256803806036760tl
Specifications :- Size: 30x30x60mm
- Flatness: ^/4
- Angle Tolerance: 6min
- Dimension Tolerance: 1
- Material: K9
- Model Number: Triangle prism
- Shape: Triangle
- Surface Quality: 60/40
- Brand Name: NoEnName_Null
- Certification: CE
- Origin: Mainland China
- Angle Tolerance: +/-5
- Material: BK7 (K9) Optical Glass
- Flatness: Triangle Prism
- Size: 30x30x30x60 mm
- Dimension Tolerance: +/-1
- Prism Length: 60 mm
- Side Length: 30 mm
Payment:
Shipping:
- All items will be shipped within 5 business days after receiving your cleared payment.
- We use regular mail (no express shipping).
- It takes 14-21 business days to arrive counted from shipment date.
- Sometimes It can takes up to 30 business days if your country has a strict custom regulations.
- Delivery time also takes longer time to arrive on peak seasons or holidays such as Christmas, Chinese Lunar New Year, etc. No tracking number will be given, but rest assured that if you have not receive your item after the estimated delivery times, please inform us and we will quickly act on it.
- We will be responsible for any damages or losses incurred in the shipping process. Item will be shipped to your paypal shipping address.
Return Policy:
- Before returning, please contact us with reason.
- Return is accepted within 14 days after the buyer receiving the item.
- Returned item has to be in its original condition.
- You will be responsible for all shipping costs.
- Returns are accepted at our discretion.
- We may need you to give us proof of evidence, such as Photo of the item.
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