Here are the specifications:
MODEL: 18MM Distance Gauge for GentleLASE
Part Number: 7121-00-9100
Condition: New in the Box
Quantity: 1 box of 5 new 18 mm Distance gauges
Comments: These are New Candela Gauges intended for use with GentleLASE
Items are sold as-is with no returns or refunds available unless explicitly stated.