brotherton-erpnext/erpnext/docs/user/stock/setup/item-attribute.md

You can define Attributes and attribute values for your Item Variants here.

Non Numeric Attributes

• For Non Numeric Attributes, specify attributes values along with its abbreviation in the Attribute Value Table.

Numeric Attributes

• If your attribute is Numeric, select Numeric Values
• Specify the Range and the Increment Value