Buy Your Diagnostic Tools From The Trusted Canadian Supplier

Auto Test Tools division of Auto-Know™ Incorporated is the preferred Canadian supplier for the latest electronic automotive testing and diagnostic equipment.

Proprietor Ron Brown of Oakville, Ontario has a career's worth of experience in the automotive service trade, and is ready to provide you with the personal service and technical support you need to get your diagnostics right.

Enjoy browsing this collection of scan tools, scopes and test equipment from the leading North American manufacturers. You'll also find the tried and true everyday equipment such as multimeters and accessories.

Get the right equipment for the right situation for the right diagnosis.