diff --git a/src/dodal/devices/slits/simulated_slit.py b/src/dodal/devices/slits/simulated_slit.py
new file mode 100644
index 0000000000..71c595a19d
--- /dev/null
+++ b/src/dodal/devices/slits/simulated_slit.py
@@ -0,0 +1,51 @@
+from ophyd import Component, Device
+from ophyd.sim import SynAxis
+
+from dodal.devices.slits.gap_and_center_slit_base_classes import GapAndCenterSlit2d
+from dodal.devices.slits.slit_motor import SlitMotor
+
+
+class SimulatedSlit(GapAndCenterSlit2d):
+    """Class to interact with slit simulator set up as BL02J temporary equipment.
+
+    Many thanks to Andrew Foster!
+    """
+
+    y_plus = SynAxis(name="y_plus")
+    y_minus = SynAxis(name="y_minus")
+
+    x_plus = SynAxis(name="x_plus")
+    x_minus = SynAxis(name="x_minus")
+
+    y_size = SynAxis(name="slit_y_size")
+    y_center = SynAxis(name="slit_y_center")
+
+    x_size = SynAxis(name="slit_x_size")
+    x_center = SynAxis(name="slit_x_center")
+
+    def set(self, position_tuple: tuple[float, float, float, float]):
+        """Method to set position of slit.
+
+        Parameters:
+            position_tuple: A 4-tuple containing:
+                x_center_value: Central x-coordinate of gap
+                x_size_value: Width of gap in x-dimension
+                y_center_value: Central y-coordinate of gap
+                y_size_value: Width of gap in y-dimension
+        """
+        x_center_value, x_size_value, y_center_value, y_size_value = position_tuple
+
+        status = self.x_center.set(x_center_value)
+        status &= self.x_size.set(x_size_value)
+        status &= self.y_center.set(y_center_value)
+        status &= self.y_size.set(y_size_value)
+
+        return status
+
+    def read(self):
+        return (
+            self.x_center.read(),
+            self.x_size.read(),
+            self.y_center.read(),
+            self.y_size.read(),
+        )