Welcome to Q-Mark's online store at www.probe.tips!

Made in USA.  Every part in our catalog is available online.  Part numbers starting with QMM or QCC are custom designs and are not listed online. Please call or email us for price and availability.

UPS Ground shipping is free.  Second-day shipping is $35.00.  Overnight shipping is $62.00.  We will ship collect using your account number.  Everything ships from our Southern California factory.

Automatic cross-references.  Enter any manufacturer's part number in the search box and the equivalent Q-Mark part will be displayed.  If you can't find the exact part you're looking for, please email us or call 1-949-457-1913.    

Visa, Mastercard, American Express, and PayPal are welcome.  Merchandise shipped to addresses in California is subject to sales tax.  

For shipments outside the USA, please email us or call 1-949-457-1913.  We ship same-day.

Unexpected demand may cause a shipping delay.  Should this occur, we'll contact you for instructions.

If you have any questions, please contact us.  We're happy to help you.

How to reach us:

Phone 949-457-1913
Fax 949-457-9277 



Q-Mark Manufacturing Inc
30051 Comercio
Rancho Santa Margarita CA  92688-2106 USA