THINKTOOL 191 – Best Value Bi-Directional Scanner

The 2025 THINKTOOL 191 is a cost-effective bi-directional scanner offering full system diagnostics and 35+ maintenance functions. It supports 28 languages and features an 8-inch screen with CAN-FD and DOIP protocols. Expandable with TPMS programmers, video scopes, and battery testers, this lightweight and user-friendly tool is perfect for mechanics seeking advanced diagnostics at an affordable price.