diff --git a/common/script/content/gear/index.js b/common/script/content/gear/index.js
index cf288e89dc..d7013e9986 100644
--- a/common/script/content/gear/index.js
+++ b/common/script/content/gear/index.js
@@ -39,10 +39,12 @@ each(GEAR_TYPES, (type) => {
   each(allGearTypes, (klass) => {
     each(gear[type][klass], (item, index) => {
       let key = `${type}_${klass}_${index}`;
+      let set = `${klass}-${index}`;
 
       defaults(item, {
         type,
         key,
+        set,
         klass,
         index,
         str: 0,
diff --git a/test/content/gear.js b/test/content/gear.js
index 1e6a80ffe9..a3d0e95917 100644
--- a/test/content/gear.js
+++ b/test/content/gear.js
@@ -13,7 +13,7 @@ describe('Gear', () => {
       each(piece, (items, klass) => {
         context(`${klass} ${gearType}s`, () => {
           it('have a value of at least 0 for each stat', () => {
-            each(items, (gear, itemKey) => {
+            each(items, (gear) => {
               expect(gear.con).to.be.at.least(0);
               expect(gear.int).to.be.at.least(0);
               expect(gear.per).to.be.at.least(0);
@@ -22,23 +22,29 @@ describe('Gear', () => {
           });
 
           it('have a purchase value of at least 0', () => {
-            each(items, (gear, itemKey) => {
+            each(items, (gear) => {
               expect(gear.value).to.be.at.least(0);
             });
           });
 
           it('has a canBuy function', () => {
-            each(items, (gear, itemKey) => {
+            each(items, (gear) => {
               expect(gear.canBuy).to.be.a('function');
             });
           });
 
           it('have valid translation strings for text and notes', () => {
-            each(items, (gear, itemKey) => {
+            each(items, (gear) => {
               expectValidTranslationString(gear.text);
               expectValidTranslationString(gear.notes);
             });
           });
+
+          it('has a set attribue', () => {
+            each(items, (gear) => {
+              expect(gear.set).to.exist;
+            });
+          });
         });
       });
     });