diff --git a/src/database/schemas/management/productsku.schema.js b/src/database/schemas/management/productsku.schema.js
new file mode 100644
index 0000000..42d1cf3
--- /dev/null
+++ b/src/database/schemas/management/productsku.schema.js
@@ -0,0 +1,26 @@
+import mongoose from 'mongoose';
+import { generateId } from '../../utils.js';
+const { Schema } = mongoose;
+
+// Define the main product SKU schema
+const productSkuSchema = new Schema(
+  {
+    _reference: { type: String, default: () => generateId()() },
+    sku: { type: String, required: true },
+    product: { type: Schema.Types.ObjectId, ref: 'product', required: true },
+    name: { type: String, required: false },
+    description: { type: String, required: false },
+  },
+  { timestamps: true }
+);
+
+// Add virtual id getter
+productSkuSchema.virtual('id').get(function () {
+  return this._id;
+});
+
+// Configure JSON serialization to include virtuals
+productSkuSchema.set('toJSON', { virtuals: true });
+
+// Create and export the model
+export const productSkuModel = mongoose.model('productSku', productSkuSchema);
diff --git a/src/database/schemas/models.js b/src/database/schemas/models.js
index deae175..ce18979 100644
--- a/src/database/schemas/models.js
+++ b/src/database/schemas/models.js
@@ -5,6 +5,7 @@ import { filamentModel } from './management/filament.schema.js';
 import { gcodeFileModel } from './production/gcodefile.schema.js';
 import { partModel } from './management/part.schema.js';
 import { productModel } from './management/product.schema.js';
+import { productSkuModel } from './management/productsku.schema.js';
 import { vendorModel } from './management/vendor.schema.js';
 import { filamentStockModel } from './inventory/filamentstock.schema.js';
 import { purchaseOrderModel } from './inventory/purchaseorder.schema.js';
@@ -73,6 +74,13 @@ export const models = {
     referenceField: '_reference',
     label: 'Product',
   },
+  PSK: {
+    model: productSkuModel,
+    idField: '_id',
+    type: 'productSku',
+    referenceField: '_reference',
+    label: 'Product SKU',
+  },
   VEN: {
     model: vendorModel,
     idField: '_id',