diff --git a/app/services/augmented_part_sync.py b/app/services/augmented_part_sync.py
index a77b198..5fcd9cd 100644
--- a/app/services/augmented_part_sync.py
+++ b/app/services/augmented_part_sync.py
@@ -38,6 +38,7 @@ from app.crud import manufacturer as manufacturer_crud
 from app.crud import part_colour as part_colour_crud
 from app.crud import part_type as part_type_crud
 from app.crud import static_connection as static_connection_crud
+from app.crud import clamp_connection as clamp_connection_crud
 from app.crud import unc_thread as unc_thread_crud
 from app.models.associations import augmented_part_imported_parts
 from app.models.augmented_part import AugmentedPart
@@ -70,6 +71,11 @@ _UNC_THREAD_RE = re.compile(
     re.IGNORECASE,
 )
 
+_CLAMP_RANGE_RE = re.compile(
+    r"\((?P<min_diameter>\d*\.?\d+)\s*-\s*(?P<max_diameter>\d*\.?\d+)\s*mm\)",
+    re.IGNORECASE,
+)
+
 
 def _parse_float(value: str | None) -> float | None:
     if value is None:
@@ -101,6 +107,13 @@ def _parse_thread_attribute(value: str) -> tuple[str, dict] | None:
             "series": series,
         }
 
+    if m := _CLAMP_RANGE_RE.match(value):
+        # Source data often omits the series letters; UNS ("unified special") is the
+        # correct designation when the diameter/TPI pairing isn't a standard pitch.
+        return "clamp", {
+            "min_diametere": float(m.group("min_diameter")),
+            "max_diameter": float(m.group("max_diameter")),
+        }
     return None
 
 
@@ -111,7 +124,9 @@ async def _get_or_create_attachment_point_name(db: AsyncSession, name: str):
     return apn
 
 
-async def _add_attachment_point(db: AsyncSession, ap: AugmentedPart, ip: ImportedPart) -> None:
+async def _add_attachment_point(
+    db: AsyncSession, ap: AugmentedPart, ip: ImportedPart
+) -> None:
     """Infer and create an attachment point for a newly-synced AugmentedPart.
 
     Preference order: TBXThreadAttribute (ISO/UNC thread) then ProductODmm/in
@@ -131,7 +146,9 @@ async def _add_attachment_point(db: AsyncSession, ap: AugmentedPart, ip: Importe
 
         if kind == "iso":
             depth_mm = _parse_float(ip.ProductMaxThreadDepthmm)
-            thread = await iso_thread_crud.get_by_values(db, depth_mm=depth_mm, **fields)
+            thread = await iso_thread_crud.get_by_values(
+                db, depth_mm=depth_mm, **fields
+            )
             if thread is None:
                 thread = await iso_thread_crud.create(db, depth_mm=depth_mm, **fields)
             await attachment_point_crud.create(
@@ -140,9 +157,12 @@ async def _add_attachment_point(db: AsyncSession, ap: AugmentedPart, ip: Importe
                 attachment_point_name_id=apn.id,
                 iso_thread_id=thread.id,
             )
+            return
         elif kind == "unc":
             depth_in = _parse_float(ip.ProductMaxThreadDepthin)
-            thread = await unc_thread_crud.get_by_values(db, depth_in=depth_in, **fields)
+            thread = await unc_thread_crud.get_by_values(
+                db, depth_in=depth_in, **fields
+            )
             if thread is None:
                 thread = await unc_thread_crud.create(db, depth_in=depth_in, **fields)
             await attachment_point_crud.create(
@@ -151,9 +171,21 @@ async def _add_attachment_point(db: AsyncSession, ap: AugmentedPart, ip: Importe
                 attachment_point_name_id=apn.id,
                 unc_thread_id=thread.id,
             )
+            return
+        elif kind == "clamp":
+            clamp = await clamp_connection_crud.get_by_values(db, **fields)
+            if clamp is None:
+                clamp = await clamp_connection_crud.create(db, **fields)
+            await attachment_point_crud.create(
+                db,
+                augmented_part_id=ap.id,
+                attachment_point_name_id=apn.id,
+                clamp_connection_id=clamp.id,
+            )
+            return
         else:
+            # Unable to determine
             pass
-        return
 
     od_mm = _parse_float(ip.ProductODmm)
     od_in = _parse_float(ip.ProductODin)
@@ -240,7 +272,9 @@ async def sync(db: AsyncSession) -> AugmentedPartSyncResult:
     # ------------------------------------------------------------------ phase 1
 
     # IDs referenced in existing associations
-    result = await db.execute(select(augmented_part_imported_parts.c.imported_part_id).distinct())
+    result = await db.execute(
+        select(augmented_part_imported_parts.c.imported_part_id).distinct()
+    )
     all_linked_ids: set[str] = {row[0] for row in result.all()}
 
     # IDs that still exist in imported_parts
@@ -254,7 +288,9 @@ async def sync(db: AsyncSession) -> AugmentedPartSyncResult:
         # Which AugmentedParts are affected?
         result = await db.execute(
             select(augmented_part_imported_parts.c.augmented_part_id).where(
-                augmented_part_imported_parts.c.imported_part_id.in_(orphaned_import_ids)
+                augmented_part_imported_parts.c.imported_part_id.in_(
+                    orphaned_import_ids
+                )
             )
         )
         orphaned_ap_ids: set[int] = {row[0] for row in result.all()}
@@ -262,7 +298,9 @@ async def sync(db: AsyncSession) -> AugmentedPartSyncResult:
         # Remove the stale association rows
         await db.execute(
             augmented_part_imported_parts.delete().where(
-                augmented_part_imported_parts.c.imported_part_id.in_(orphaned_import_ids)
+                augmented_part_imported_parts.c.imported_part_id.in_(
+                    orphaned_import_ids
+                )
             )
         )
         await db.flush()
@@ -285,7 +323,9 @@ async def sync(db: AsyncSession) -> AugmentedPartSyncResult:
     # ------------------------------------------------------------------ phase 2
 
     # Re-query linked IDs after phase 1 cleanup
-    result = await db.execute(select(augmented_part_imported_parts.c.imported_part_id).distinct())
+    result = await db.execute(
+        select(augmented_part_imported_parts.c.imported_part_id).distinct()
+    )
     now_linked_ids: set[str] = {row[0] for row in result.all()}
     unlinked_ids = current_ids - now_linked_ids
 
@@ -293,7 +333,9 @@ async def sync(db: AsyncSession) -> AugmentedPartSyncResult:
     skipped = 0
 
     if not unlinked_ids:
-        return AugmentedPartSyncResult(created=created, deleted=deleted, skipped=skipped)
+        return AugmentedPartSyncResult(
+            created=created, deleted=deleted, skipped=skipped
+        )
 
     result = await db.execute(
         select(ImportedPart).where(ImportedPart.InventoryID.in_(unlinked_ids))
diff --git a/data/TODO b/data/TODO
index 55555f0..8ff96a2 100644
--- a/data/TODO
+++ b/data/TODO
@@ -2,14 +2,9 @@
 	- [ ] Add an `archived` attribute that indicates the part should not show up in default searches
 		- [ ] Admins and users with permissions can opt into seeing archived parts
 	- [ ] Add bulk "mark archived"
-- [ ] AugmentedPart Details
-	- [x] Title should be the SKU
-	- [ ] Add new inference for attachment point "Clamp"
-		- [ ] Appears as `(44.5-47.5mm)` in the description
 - [ ] Scope Import
 	- [ ] Test scopes with explicit fits populated
-- [ ] Attachment Points
-	- [ ] Remove objective / occular labels and matching logic
+
 - [ ] Dashboard
 	- [ ] Make this more useful.
 	- [ ] Number of
@@ -17,6 +12,10 @@
 		- [ ] Skipped parts from last Sync
 	- [ ] Handy buttons to run the import / sync / recompute actions
 
+- [x] AugmentedPart Details
+	- [x] Title should be the SKU
+	- [x] Add new inference for attachment point "Clamp"
+		- [x] Appears as `(44.5-47.5mm)` in the description
 
 - [x] Better layout for Scopes page
 	- [x] Layout is too wide, requiring side-scrolling
@@ -28,5 +27,7 @@
 - [x] Part Import
 	- [x] Example query of `ZC5000` should return multiple parts
 	- [x] Filter text should search SKU and description
+- [x] Attachment Points
+	- [x] Remove objective / occular labels and matching logic