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2-220136.N: 600mm GK Right Stop and Clamping Square (Nitrided) – Siegmund Welding Tables USA (An Official Division of Quantum Machinery)
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90 Degree Aluminium Alloy Positioning Squares, 4.7" x 4.7" Clamping Square, Right Angle Clamps Woodworking Carpenter Tool for Clamping to Boxes, Picture Frames and Shelf Cabinets (2 Pack) - Amazon.com
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