I recommend using 6 x 2 inch straight timber. Fix it with M12 or 1/2″ carriage bolts. Rounding the feet gives a more solid vise. The chain should be above your instep else you will trip over it. A wooden tool tray should be fitted with wing nuts on at least 10 mm Ø bolts as that increases rigidity. Do … Read More
Quick saw vise
If you want a vise NOW… A quick solution is plank clamped to a table or workmate. Workmate-vises need someone else to sit on it to stop it wobbling as you file. Any such sitter will want both reassurance and padding between them and the saw teeth.