Now In: Sale Items → View All → PN-648 : STERLING SILVER HP 3 1/2" KEY CHAIN W/ 19X29MM RECTANGULAR BRICK PATTERN W/ SATIN
The marker is for comparison purposes. It does NOT mean the item is 1/2" in size. For example, if the item appears to be twice as large as the 1/2" marker, then the item is approximately 1" in size.