Specification: Name: Archery Brass Trigger Finger Color: Brass Color Material: Brass Size: 18 mm: slightly less than 3/4" 20 mm: slightly less than 13/16" 22 mm: slightly less than 7/8" 24 mm: 15/16" Width: 18mm/0.71in, 20mm/0.79in, 22mm/0.87in Weight: About 60g