MR6 Air MECHANIC Double Bearing Repair Fixture For PCB Motherboard Holder For Phone CPU IC Chip Glue Removing Clamp. Product Name: Mechanic MR6 Air Double Bearing Repair Fixture. Function: It's a multifunctional tool used for clamping motherboards during soldering, chip removal, and other board maintenance tasks, especially for mobile phones and other electronic devices. Features: Key features include a double-bearing adjustment clamping system for stability, high-temperature resistant synthetic stone construction, and multiple misalignment buckles to accommodate various motherboard shapes.