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LAMPVPATH (Pack of 4) PCB Prototype Board, Double Sided PCB Proto Board for DIY Solder Breadboard, 2cm X 8cm(0.787" X 3.149") Universal Printed Circuit Board: Amazon.com: Industrial & Scientific
Soldering Helping Hand Toolour 6 Pcs PCB Circuit Board Holder ESD Safe - Metal Magnetic Fixture Tower on the Blue Steel Base for Electronic Boards Repairing Soldering Desoldering Rework - - Amazon.com
Amazon.co.jp: uxcell FR-4 Matrix Substrate, Universal PCB Board, 2.8 x 1.2 inches (7 x 3 cm) : Industrial & Scientific