This is a set of 11 wooden loop sticks, accurately machined and varnished for lasting durability in the workshop.
Sizes are: 9mm, 12mm, (1/2"), 15mm (approx 5/8"), 20mm (3/4"), 22mm (7/8"), 25mm (1"), 29mm (1 1/8") 32mm (1 1/4") 35mm (1 3/8") 38mm (1 1/2") and 45mm (1 3/4")
The wood is 14mm at the thickest end, tapering down to 2mm thick at its finest. Each stick measures 265mm / 10.5" long.
If you need to make thick, sturdy loops in large quantities, you may want to consider the metal loop stick set as an alternative.