What is the best tool to hold small printed circuit board? - Electrical Engineering Stack Exchange
Adjustable Circuit Board Holder - RobotShop
SainSmart Magnetic Adjustable Circuit Board Holder, 360 Degrees Rotated, Soldering Helping Hand for Clamping PCB, Desoldering, and Soldering DIY Working Station, ESD Safe - Amazon.com
PCB Circuit Board Holder, Universal Holder for Adjustable Mobile Phone Repair and Soldering, Stainless Steel - Walmart.com