diff --git a/scripts/wk/exe.py b/scripts/wk/exe.py
index 2fb3ff98..dcefc24a 100644
--- a/scripts/wk/exe.py
+++ b/scripts/wk/exe.py
@@ -29,8 +29,8 @@ class NonBlockingStreamReader():
   ## https://stackoverflow.com/a/4896288
 
   def __init__(self, stream: BufferedReader | TextIOWrapper):
-    self.stream = stream
-    self.queue = Queue()
+    self.stream: BufferedReader | TextIOWrapper = stream
+    self.queue: Queue = Queue()
 
     def populate_queue(stream: BufferedReader | TextIOWrapper, queue: Queue) -> None:
       """Collect lines from stream and put them in queue."""
diff --git a/scripts/wk/hw/diags.py b/scripts/wk/hw/diags.py
index 999451d1..cd309fc7 100644
--- a/scripts/wk/hw/diags.py
+++ b/scripts/wk/hw/diags.py
@@ -82,15 +82,15 @@ PLATFORM = std.PLATFORM
 class State():
   """Object for tracking hardware diagnostic data."""
   def __init__(self, test_mode=False):
-    self.disks = []
-    self.log_dir = None
-    self.progress_file = None
-    self.system = None
-    self.test_groups = []
-    self.title_text = ansi.color_string('Hardware Diagnostics', 'GREEN')
+    self.disks: list[hw_disk.Disk] = []
+    self.log_dir: pathlib.Path | None = None
+    self.progress_file: pathlib.Path | None = None
+    self.system: hw_system.System | None = None
+    self.test_groups: list[TestGroup] = []
+    self.title_text: str = ansi.color_string('Hardware Diagnostics', 'GREEN')
     if test_mode:
       self.title_text += ansi.color_string(' (Test Mode)', 'YELLOW')
-    self.ui = tui.TUI(f'{self.title_text}\nMain Menu')
+    self.ui: tui.TUI = tui.TUI(f'{self.title_text}\nMain Menu')
 
   def abort_testing(self) -> None:
     """Set unfinished tests as aborted and cleanup panes."""
diff --git a/scripts/wk/hw/sensors.py b/scripts/wk/hw/sensors.py
index 815a6de5..de72d42b 100644
--- a/scripts/wk/hw/sensors.py
+++ b/scripts/wk/hw/sensors.py
@@ -7,6 +7,7 @@ import pathlib
 import re
 
 from subprocess import CalledProcessError
+from threading import Thread
 from typing import Any
 
 from wk.cfg.hw import CPU_CRITICAL_TEMP, SMC_IDS, TEMP_COLORS
@@ -37,9 +38,9 @@ class ThermalLimitReachedError(RuntimeError):
 class Sensors():
   """Class for holding sensor specific data."""
   def __init__(self):
-    self.background_thread = None
-    self.data = get_sensor_data()
-    self.out_path = None
+    self.background_thread: Thread | None = None
+    self.data: dict[Any, Any] = get_sensor_data()
+    self.out_path: pathlib.Path | str | None = None
 
   def clear_temps(self) -> None:
     """Clear saved temps but keep structure"""
diff --git a/scripts/wk/ui/cli.py b/scripts/wk/ui/cli.py
index 8a2eaf46..05f5fe52 100644
--- a/scripts/wk/ui/cli.py
+++ b/scripts/wk/ui/cli.py
@@ -9,7 +9,6 @@ import subprocess
 import sys
 import traceback
 
-from collections import OrderedDict
 from typing import Any, Callable, Iterable
 
 from prompt_toolkit import prompt
@@ -40,8 +39,8 @@ PLATFORM = platform.system()
 class InputChoiceValidator(Validator):
   """Validate that input is one of the provided choices."""
   def __init__(self, choices: Iterable[str], allow_empty: bool = False):
-    self.allow_empty = allow_empty
-    self.choices = [str(c).upper() for c in choices]
+    self.allow_empty: bool = allow_empty
+    self.choices: list[str] = [str(c).upper() for c in choices]
     super().__init__()
 
   def validate(self, document: Document) -> None:
@@ -70,7 +69,7 @@ class InputNotEmptyValidator(Validator):
 class InputTicketIDValidator(Validator):
   """Validate that input resembles a ticket ID."""
   def __init__(self, allow_empty: bool = False):
-    self.allow_empty = allow_empty
+    self.allow_empty: bool = allow_empty
     super().__init__()
 
   def validate(self, document: Document) -> None:
@@ -89,7 +88,7 @@ class InputTicketIDValidator(Validator):
 class InputYesNoValidator(Validator):
   """Validate that input is a yes or no."""
   def __init__(self, allow_empty: bool = False):
-    self.allow_empty = allow_empty
+    self.allow_empty: bool = allow_empty
     super().__init__()
 
   def validate(self, document: Document) -> None:
@@ -108,20 +107,18 @@ class InputYesNoValidator(Validator):
 class Menu():
   """Object for tracking menu specific data and methods.
 
-  Menu items are added to an OrderedDict so the order is preserved.
-
   ASSUMPTIONS:
   1. All entry names are unique.
   2. All action entry names start with different letters.
   """
   def __init__(self, title: str = '[Untitled Menu]'):
-    self.actions = OrderedDict()
-    self.options = OrderedDict()
-    self.sets = OrderedDict()
-    self.toggles = OrderedDict()
-    self.disabled_str = 'Disabled'
-    self.separator = '─'
-    self.title = title
+    self.actions: dict[str, dict[Any, Any]] = {}
+    self.options: dict[str, dict[Any, Any]] = {}
+    self.sets:    dict[str, dict[Any, Any]] = {}
+    self.toggles: dict[str, dict[Any, Any]] = {}
+    self.disabled_str: str = 'Disabled'
+    self.separator: str = '─'
+    self.title: str = title
 
   def _generate_menu_text(self) -> str:
     """Generate menu text, returns str."""
@@ -450,14 +447,14 @@ class TryAndPrint():
   based on exception names.
   """
   def __init__(self, msg_bad: str = 'FAILED', msg_good: str = 'SUCCESS'):
-    self.catch_all = True
-    self.indent = INDENT
-    self.list_errors = ['GenericError']
-    self.list_warnings = ['GenericWarning']
-    self.msg_bad = msg_bad
-    self.msg_good = msg_good
-    self.verbose = False
-    self.width = WIDTH
+    self.catch_all : bool =  True
+    self.indent: int = INDENT
+    self.list_errors: list[str] = ['GenericError']
+    self.list_warnings: list[str] = ['GenericWarning']
+    self.msg_bad: str = msg_bad
+    self.msg_good: str = msg_good
+    self.verbose : bool =  False
+    self.width: int = WIDTH
 
   def _format_exception_message(self, _exception: Exception) -> str:
     """Format using the exception's args or name, returns str."""
diff --git a/scripts/wk/ui/tui.py b/scripts/wk/ui/tui.py
index c5a68209..447ac28d 100644
--- a/scripts/wk/ui/tui.py
+++ b/scripts/wk/ui/tui.py
@@ -7,6 +7,7 @@ import time
 
 from copy import deepcopy
 from os import environ
+from typing import Any
 
 from wk.exe import start_thread
 from wk.std import sleep
@@ -30,11 +31,11 @@ TMUX_LAYOUT = { # NOTE: This needs to be in order from top to bottom
 class TUI():
   """Object for tracking TUI elements."""
   def __init__(self, title_text: str | None = None):
-    self.layout = deepcopy(TMUX_LAYOUT)
-    self.side_width = TMUX_SIDE_WIDTH
-    self.title_text = title_text if title_text else 'Title Text'
-    self.title_text_line2 = ''
-    self.title_colors = ['BLUE', None]
+    self.layout: dict[str, dict[str, Any]] = deepcopy(TMUX_LAYOUT)
+    self.side_width: int = TMUX_SIDE_WIDTH
+    self.title_text: str = title_text if title_text else 'Title Text'
+    self.title_text_line2: str = ''
+    self.title_colors: list[str | None] = ['BLUE', None]
 
     # Init tmux and start a background process to maintain layout
     self.init_tmux()