diff --git a/src/dodal/beamlines/i10_1.py b/src/dodal/beamlines/i10_1.py
index 92fc9f4685..01dffe47e1 100644
--- a/src/dodal/beamlines/i10_1.py
+++ b/src/dodal/beamlines/i10_1.py
@@ -5,9 +5,11 @@
 from dodal.devices.beamlines.i10_1 import (
     ElectromagnetMagnetField,
     ElectromagnetStage,
+    HighFieldMagnet,
     I10JScalerCard,
 )
 from dodal.devices.current_amplifiers import SR570, CurrentAmpDet
+from dodal.devices.motors import XYPitchStage
 from dodal.devices.temperture_controller.lakeshore.lakeshore import Lakeshore336
 from dodal.log import set_beamline as set_log_beamline
 from dodal.utils import BeamlinePrefix, get_beamline_name
@@ -122,3 +124,23 @@ def em_temperature_controller() -> Lakeshore336:
     return Lakeshore336(
         prefix=f"{PREFIX.beamline_prefix}-EA-TCTRL-41:",
     )
+
+
+"""I10J Hight Field Magnet Devices"""
+
+
+@devices.factory()
+def high_field_magnet_stage() -> XYPitchStage:
+    return XYPitchStage(
+        prefix=f"{PREFIX.beamline_prefix}-EA-MAG-01:",
+        x_infix="X",
+        y_infix="INSERT:Y",
+        pitch_infix="INSERT:ROTY",
+    )
+
+
+@devices.factory()
+def high_field_magnet() -> HighFieldMagnet:
+    return HighFieldMagnet(
+        prefix=f"{PREFIX.beamline_prefix}-EA-SMC-01:",
+    )
diff --git a/src/dodal/devices/beamlines/i10_1/__init__.py b/src/dodal/devices/beamlines/i10_1/__init__.py
index b562d0a9a5..1f6b94f0cd 100644
--- a/src/dodal/devices/beamlines/i10_1/__init__.py
+++ b/src/dodal/devices/beamlines/i10_1/__init__.py
@@ -1,9 +1,11 @@
 from .electromagnet.magnet import ElectromagnetMagnetField
 from .electromagnet.stages import ElectromagnetStage
+from .high_field_magnet.high_field_magnet import HighFieldMagnet
 from .scaler_cards import I10JScalerCard
 
 __all__ = [
     "ElectromagnetMagnetField",
     "I10JScalerCard",
     "ElectromagnetStage",
+    "HighFieldMagnet",
 ]
diff --git a/src/dodal/devices/beamlines/i10_1/high_field_magnet/__init__.py b/src/dodal/devices/beamlines/i10_1/high_field_magnet/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/src/dodal/devices/beamlines/i10_1/high_field_magnet/high_field_magnet.py b/src/dodal/devices/beamlines/i10_1/high_field_magnet/high_field_magnet.py
new file mode 100644
index 0000000000..d9edce6649
--- /dev/null
+++ b/src/dodal/devices/beamlines/i10_1/high_field_magnet/high_field_magnet.py
@@ -0,0 +1,79 @@
+from ophyd_async.core import (
+    FlyMotorInfo,
+    StandardReadable,
+    StandardReadableFormat,
+    StrictEnum,
+    SubsetEnum,
+    WatchableAsyncStatus,
+)
+from ophyd_async.epics.core import epics_signal_r, epics_signal_rw, epics_signal_w
+
+
+class HighFieldMangetSweepTypes(StrictEnum):
+    FAST = "Fast"
+    SLOW = "Slow"
+
+
+class HighFieldMagnetStatus(SubsetEnum):
+    HOLD = "Hold"
+    TO_SETPOINT = "To Setpoint"
+    TO_ZERO = "To Zero"
+    CLAMP = "Clamp"
+
+
+class HighFieldMagnetStatusRBV(SubsetEnum):
+    HOLD = "Hold"
+    TO_SETPOINT = "To Setpoint"
+    TO_ZERO = "To Zero"
+    CLAMPED = "Clamped"
+
+
+class HighFieldMagnet(
+    StandardReadable,
+    # Locatable[float],
+    # Stoppable,
+    # Flyable,
+    # Preparable,
+    # Subscribable[float],
+):
+    def __init__(self, prefix: str, name: str = "") -> None:
+        with self.add_children_as_readables(StandardReadableFormat.CONFIG_SIGNAL):
+            self.sweeprate = epics_signal_rw(
+                float,
+                read_pv=prefix + "RBV:FIELDSWEEPRATE",
+                write_pv=prefix + "SET:FIELDSWEEPRATE",
+            )
+            self.sweep_type = epics_signal_rw(
+                HighFieldMangetSweepTypes,
+                read_pv=prefix + "STS:SWEEPMODE:TYPE",
+                write_pv=prefix + "SET:SWEEPMODE:TYPE",
+            )
+            self.set_move_readback = epics_signal_r(
+                HighFieldMagnetStatusRBV,
+                read_pv=prefix + "STS:ACTIVITY",
+            )
+        with self.add_children_as_readables(StandardReadableFormat.HINTED_SIGNAL):
+            self.user_readback = epics_signal_r(float, prefix + "RBV:DEMANDFIELD")
+
+        self.set_move = epics_signal_w(
+            HighFieldMagnetStatus,
+            write_pv=prefix + "SET:ACTIVITY",
+        )
+        self.user_setpoint = epics_signal_rw(
+            float,
+            read_pv=prefix + "RBV:SETPOINTFIELD",
+            write_pv=prefix + "SET:SETPOINTFIELD",
+        )
+
+        self._set_success = True
+
+        self._fly_info: FlyMotorInfo | None = None
+
+        self._fly_status: WatchableAsyncStatus | None = None
+
+        super().__init__(name=name)
+
+    def set_name(self, name: str, *, child_name_separator: str | None = None) -> None:
+        super().set_name(name, child_name_separator=child_name_separator)
+        # Readback should be named the same as its parent in read()
+        self.user_readback.set_name(name)