ToolUSA Adjustable Bracelet Sizer, Wrist Sizes: 5"- 8.75": TJ01-09761 Great gauge tool for jewellers Flexible wrist sizing tool that adjusts from 5 inches to 8.75 inches Size increments 1/4-inches - simple place metal pin on one side of bracelet into hole to fix size Can be adjusted to a perfect fit for most wrist sizes Made of durable stainless steel for rust resistant protection