diff --git a/devtools/inspector/_inspector.py b/devtools/inspector/_inspector.py
index e4ddcce1ce7..c797208c0c9 100644
--- a/devtools/inspector/_inspector.py
+++ b/devtools/inspector/_inspector.py
@@ -43,6 +43,7 @@
 from executorch.devtools.inspector._inspector_utils import (
     calculate_time_scale_factor,
     create_debug_handle_to_op_node_mapping,
+    DebugHandle,
     display_or_print_df,
     EDGE_DIALECT_GRAPH_KEY,
     EXCLUDED_COLUMNS_WHEN_PRINTING,
@@ -262,7 +263,7 @@ class RunSignature:
 
 # Typing for mapping Event.delegate_debug_identifiers to debug_handle(s)
 DelegateIdentifierDebugHandleMap: TypeAlias = Union[
-    Mapping[int, Tuple[int, ...]], Mapping[str, Tuple[int, ...]]
+    Mapping[int, DebugHandle], Mapping[str, DebugHandle]
 ]
 
 # Typing for Dict containig delegate metadata
@@ -1149,7 +1150,7 @@ def _consume_etrecord(self) -> None:
 
     def _get_aot_intermediate_outputs_and_op_names(
         self,
-    ) -> Tuple[Dict[Tuple[int, ...], Any], Dict[Tuple[int, ...], str]]:
+    ) -> Tuple[Dict[DebugHandle, Any], Dict[DebugHandle, str]]:
         """
         Capture intermediate outputs only if _representative_inputs are provided
         when using bundled program to create the etrecord
@@ -1170,7 +1171,7 @@ def _get_aot_intermediate_outputs_and_op_names(
     # TODO: Make it more extensible to further merge overlapping debug handles
     def _get_runtime_intermediate_outputs_and_op_names(
         self,
-    ) -> Tuple[Dict[Tuple[int, ...], Any], Dict[Tuple[int, ...], str]]:
+    ) -> Tuple[Dict[DebugHandle, Any], Dict[DebugHandle, str]]:
         """
         Retrieve the runtime intermediate outputs(debug handles and intermediate values mappings)
         from the event blocks, along with the corresponding debug handles and op names mapping.
diff --git a/devtools/inspector/_inspector_utils.py b/devtools/inspector/_inspector_utils.py
index 6869c793946..249a2203e4c 100644
--- a/devtools/inspector/_inspector_utils.py
+++ b/devtools/inspector/_inspector_utils.py
@@ -73,6 +73,8 @@ class TimeScale(Enum):
     TimeScale.CYCLES: 1,
 }
 
+DebugHandle: TypeAlias = Tuple[int, ...]
+
 
 class NodeSource(Enum):
     AOT = 1
@@ -528,7 +530,7 @@ def compare_results(
     return results
 
 
-def merge_overlapping_debug_handles(intermediate_outputs: Dict[Tuple[int, ...], Any]):
+def merge_overlapping_debug_handles(intermediate_outputs: Dict[DebugHandle, Any]):
     """
     Merge overlapping debug handles int a single key
     """
@@ -558,7 +560,7 @@ def merge_overlapping_debug_handles(intermediate_outputs: Dict[Tuple[int, ...],
 
 
 def _debug_handles_have_overlap(
-    aot_debug_hanlde: Tuple[int, ...], runtime_debug_handle: Tuple[int, ...]
+    aot_debug_hanlde: DebugHandle, runtime_debug_handle: DebugHandle
 ) -> bool:
     """
     Check if the AOT debug handle and the runtime debug handle have any overlap.
@@ -568,7 +570,7 @@ def _debug_handles_have_overlap(
     return len(aot_set.intersection(runtime_set)) > 0
 
 
-def _combine_debug_hanldes(debug_handles: List[Tuple[int, ...]]) -> Tuple[int, ...]:
+def _combine_debug_hanldes(debug_handles: List[DebugHandle]) -> DebugHandle:
     """Combine multiple debug handles into one debug handle"""
     combined_debug_handles_set = set()
     for debug_handle in debug_handles:
@@ -577,8 +579,8 @@ def _combine_debug_hanldes(debug_handles: List[Tuple[int, ...]]) -> Tuple[int, .
 
 
 def _combine_overlapped_intermediate_outputs(
-    nodes: List[Tuple[Tuple[int, ...], Any]]
-) -> Tuple[Tuple[int, ...], Any]:
+    nodes: List[Tuple[DebugHandle, Any]]
+) -> Tuple[DebugHandle, Any]:
     """Combine multiple overlapped intermediate outputs into one with combined debug_handles and last output"""
     debug_handles = [debug_handle for debug_handle, _ in nodes]
     outputs = [output for _, output in nodes]
@@ -588,8 +590,8 @@ def _combine_overlapped_intermediate_outputs(
 
 
 def _create_debug_handle_overlap_graph(
-    aot_intermediate_outputs: Dict[Tuple[int, ...], Any],
-    runtime_intermediate_outputs: Dict[Tuple[int, ...], Any],
+    aot_intermediate_outputs: Dict[DebugHandle, Any],
+    runtime_intermediate_outputs: Dict[DebugHandle, Any],
 ) -> Tuple[List[NodeData], Dict[int, List[int]]]:
     """
     Create a graph representing overlapping debug handles between AOT and runtime outputs.
@@ -659,15 +661,15 @@ def dfs(node_id, component):
 
 
 def map_runtime_aot_intermediate_outputs(
-    aot_intermediate_outputs: Dict[Tuple[int, ...], Any],
-    runtime_intermediate_outputs: Dict[Tuple[int, ...], Any],
-) -> Dict[Tuple[Tuple[int, ...], Any], Tuple[Tuple[int, ...], Any]]:
+    aot_intermediate_outputs: Dict[DebugHandle, Any],
+    runtime_intermediate_outputs: Dict[DebugHandle, Any],
+) -> Dict[Tuple[DebugHandle, Any], Tuple[DebugHandle, Any]]:
     """
     Map the runtime intermediate outputs to the AOT intermediate outputs
     by finding overlapping debug handles and combining them into a single debug_handle
 
     Returns:
-        Dict[Tuple[Tuple[int, ...], Any], Tuple[Tuple[int, ...], Any]] - Mapping
+        Dict[Tuple[DebugHandle, Any], Tuple[DebugHandle, Any]] - Mapping
         from runtime intermediate output to AOT intermediate output
     """
     # Merge overlapping debug handles
@@ -760,13 +762,13 @@ def convert_to_float_tensor(input_data: Any) -> torch.Tensor:
 
 def get_aot_debug_handle_to_op_name_mapping(
     graph_module: torch.fx.GraphModule,
-) -> Dict[Tuple[int, ...], str]:
+) -> Dict[DebugHandle, str]:
     """
     Get a mapping from debug handle to operator name from the ETRecord edge_dialect_program's graph module.
     Parameters:
     graph_module (torch.fx.GraphModule): The graph module to get the mapping from.
     Returns:
-    Dict[Tuple[int, ...], str]: A dictionary mapping debug handles to operator names.
+    Dict[DebugHandle, str]: A dictionary mapping debug handles to operator names.
     """
     node_filters = [
         NodeFilter("debug_handle", "call_function", exclude_ops=["getitem"])
@@ -787,8 +789,8 @@ def get_aot_debug_handle_to_op_name_mapping(
 
 
 def find_op_names(
-    target_debug_handle: Tuple[int, ...],
-    debug_handle_to_op_name: Dict[Tuple[int, ...], str],
+    target_debug_handle: DebugHandle,
+    debug_handle_to_op_name: Dict[DebugHandle, str],
 ) -> List[str]:
     """
     Record the operator names only if their debug handles are part of the target debug handle.
diff --git a/devtools/inspector/_intermediate_output_capturer.py b/devtools/inspector/_intermediate_output_capturer.py
index 054c97dc245..75737060fbf 100644
--- a/devtools/inspector/_intermediate_output_capturer.py
+++ b/devtools/inspector/_intermediate_output_capturer.py
@@ -7,10 +7,10 @@
 # pyre-unsafe
 
 
-from typing import Any, Dict, Tuple
+from typing import Any, Dict
 
 import torch
-from executorch.devtools.inspector._inspector_utils import NodeFilter
+from executorch.devtools.inspector._inspector_utils import DebugHandle, NodeFilter
 from torch.fx import GraphModule
 from torch.fx.interpreter import Interpreter
 
@@ -30,7 +30,7 @@ def __init__(self, module: GraphModule):
         ]
 
     # Runs the graph module and captures the intermediate outputs.
-    def run_and_capture(self, *args, **kwargs) -> Dict[Tuple[int, ...], Any]:
+    def run_and_capture(self, *args, **kwargs) -> Dict[DebugHandle, Any]:
         captured_outputs = {}
 
         def capture_run_node(n: torch.fx.Node) -> Any: