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diff --git a/construction/v4_3dprinting_stl/tools/rod_sharpener/BladeCarrier.stl b/construction/v4_3dprinting_stl/tools/rod_sharpener/BladeCarrier.stl
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diff --git a/documentation/bom/bom.md b/documentation/bom/bom.md
index 411914a..43adee3 100644
--- a/documentation/bom/bom.md
+++ b/documentation/bom/bom.md
@@ -1,16 +1,22 @@
 # Bill of Materials (BOM)
 
 ## Mechanics
+
 | Name | Qty | Description | Comments | Suggested link | Image |
 |------|-----|-------------|----------|----------------|-------|
-| Steel ball | 12 | Ø1.25 mm (0.05") | Precision G10 or better. Can be sourced from small ball bearings | |
+| Steel ball | 12 | Ø1 mm (0.04") | Precision G10 or better. Can be sourced from small ball bearings | |
 | PU stretch cord | 1 m | Ø1mm | e.g. "Stretch Magic" or "Magic String" | [Aliexpress](https://www.aliexpress.us/item/3256805953910514.html)| ![Pu strech cord](images/PU_StretchCord.png)|
 | Neodym Cylinder Magnet | 70 | Ø3mm h=5 mm | N52 Grade | [Ebay Link]()|
 | Brass Pipe | 1 m | OD=Ø2mm ID=Ø1 mm |  | [Amazon](https://a.co/d/1pRFmtf)| ![Brass Pipe](images/BrassPipe.png)|
-| M2 Screw | 12 | M2×12 mm, Countersunk |  | |
-| M3 Grub Screw | 6 | M3×4 |  | |
+| M2-8 dowel     | 9   |             |          |                |       |
+| SHCS M2-8      | 9   |             |          |                |       |
+| Set Screw M3-6 | 3   |             |          |                |       |
+| FHCS M3-6      | 3   |             |          |                |       |
+| FHCS M3-10     | 9   |             |          |                |       |
+| FHCS M3-20     | 12  |             |          |                |       |
 
 ## Electronics
+
 | Name | Qty | Description | Comments | Suggested link | Image |
 |------|-----|-------------|----------|----------------|-------|
 | DC-DC Step Down Module | 1 | 4.75–23 V Step-Down Buck Converter |  | [Aliexpress](https://www.aliexpress.us/item/3256806752772875.html)| ![DC-DC Step Down](images/DC_DC-StepDown.png)|
@@ -26,12 +32,46 @@
 | 8 Pin Header | 1 | 2.0 mm pitch |  | |
 | NEMA 17 Stepper Motor | 3 | Body ≤ 38 mm | Body length <= 38mm | |
 
+## PCBs
+
+| Name                | Qty | Description | Comments | Image |
+| ------------------- | --- | ----------- | -------- | ----- |
+| Control Board       | 1   |             |          |       |
+| balljoint_plate_pcb | 6   |             |          |       |
+
 ## 3D Printing
-| Name | Qty | Description | Comments | Image |
-|------|-----|-------------|----------|-------|
-| Motor Horn | 3 |  | 0.4 mm+ nozzle may require post-processing | ![Motor Horn](images/MotorHorn.png)|
-| RubberBandCollet | 12 |  | 0.4 mm nozzle, 0.1mm Layer height + may require post-processing | ![Rubber Band Collet](images/RubberBandCollet.png)|
-| BallJointMount | 6 |  | 0.4 mm nozzle, 0.1mm Layer height + may require post-processing | ![Ball Joint Mount](images/BallJointMount.png)|
-| Motor Mount | 3 |  |  | ![Motor Mount](images/MotorMount.png)|
-| End Effector | 1 |  |  | ![End Effector](images/EndEffector.png)|
-| Base Block | 1 |  |  | ![Base Block](images/BaseBlock.png)|
+
+| Name                | Qty | Description | Comments                                                        | Image                                              |
+| ------------------- | --- | ----------- | --------------------------------------------------------------- | -------------------------------------------------- |
+| Motor Horn          | 3   |             | 0.4 mm+ nozzle may require post-processing                      | ![Motor Horn](images/MotorHorn.png)                |
+| RubberBandCollet    | 12  |             | 0.4 mm nozzle, 0.1mm Layer height + may require post-processing | ![Rubber Band Collet](images/RubberBandCollet.png) |
+| Motor Mount         | 3   |             |                                                                 | ![Motor Mount](images/MotorMount.png)              |
+| End Effector        | 1   |             |                                                                 | ![End Effector](images/EndEffector.png)            |
+| Base Block          | 1   |             |                                                                 | ![Base Block](images/BaseBlock.png)                |
+
+# Tool - Rod Sharpener
+
+## 3D Printing
+
+| Name          | Qty | Description | Comments | Image |
+| ------------- | --- | ----------- | -------- | ----- |
+| Rod Guide     | 1   |             |          |       |
+| Blade Carrier | 1   |             |          |       |
+
+# Tool - Rod Length Setting Press
+
+## PCBs
+
+| Name                    | Qty | Description | Comments | Image |
+| ----------------------- | --- | ----------- | -------- | ----- |
+| ball_alignment_disc_pcb | 1   |             |          |       |
+
+## 3D Printing 
+
+| Name                    | Qty | Description | Comments | Image |
+| ----------------------- | --- | ----------- | -------- | ----- |
+| RodGrindingJigA         | 1   |             |          |       |
+| RodGrindingJigB         | 1   |             |          |       |
+| RodGuide                | 1   |             |          |       |
+| RodCollet               | 2   |             |          |       |
+| CaliperClamp            | 2   |             |          |       |