Quartz window protective lens for Laser Engraving Cutting Machine
Material: Quartz
Diameter tolerance: ± 0.01 mm
Thickness Tolerance: ± 0.01 mm
Light wavelength: 1064 nm
Transmittance: 99.998%
Light diameter: <50%
Coating: double-sided high damage threshold of the anti-reflective film, single-sided residual rate R< 0.5% @ 1047-1064nm, the incident angle of 0 degrees, damage threshold> 15J / cm2,
If the quantity can not meet your needs, please contact us to modify the inventory quantity. Thanks!
Payment Description:
    We accept only paypal payment.

Shipping Description:
Item will be shipped by airmail with tracking number (ship to USA by USPS epacket delivery ) within 24 hours(1 working day) after full payment is received.
We only ship to the approved address given in PayPal payment. Please make sure payment address in PayPal is correct. Any non-received items caused by invalid address registered on PayPal are not in our full refund or replacement policy.
A notification email of dispatch will be sent to buyer after item is posted. Please tell us in ebay message if you don't receive our email after 3 days of full payment sent. 

Return Description: 
 In the unlikely event that a return is request, all returns must include all original items undamaged, in re-saleable condition, all original packaging including manuals, warranty forms, etc. Shipping and handling fees are not refundable. Buyer is responsible for shipping costs incurred shipping products back.
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