Kai 9" pinking shears (SKU N5350). Stainless steel blades, lightweight handle, saw-tooth pattern. Official page: the saw-tooth cut limits how far unfinished cloth can fray. Official page also lists them as ambidextrous. Weight 5.3 oz. Made in China. Specs from the kaiscissors.com 9-inch pinking shears page.

The 9-inch pinkers. Saw-tooth edge. Official origin on that page is China.