diff --git a/1.-Introduction.md b/1.-Introduction.md
index e69eed6..61b0723 100644
--- a/1.-Introduction.md
+++ b/1.-Introduction.md
@@ -19,6 +19,7 @@ If don't know how to make PCBs, **we sell them**! See [[Appendix A: Printed circ
 
 ## Step 3: Get the necessary 3D-printed parts
 **TODO pix of all 3D-printed parts**
+
 - PCB anchor
 - PCB assembly jig
 - Base
@@ -41,9 +42,13 @@ Yup, you guessed it, **we sell complete components kits**. See [[Step 2 of Appen
 
 ## Step 5: Get the necessary fastening hardware
 **TODO pix of all fastening hardware**
-- 2x M3x12mm flat-countersunk machine screw
-- 4x M3x8mm socket cap machine screw
-- 6x M3 heat-set threaded insert
+
+- 2x M3x12mm flat-countersunk machine screws **TODO is this right??**
+- 4x M3x8mm socket cap machine screws **TODO is this right??**
+- 6x M3 heat-set threaded inserts **TODO more detail needed for these**
+- 3x roller bearings **TODO more detail needed for these**
+- 2x metal dowels **TODO more detail needed for these**
+- 1x silicone ring **TODO more detail needed for these**
 
 No surprise, **we sell kits of these**. See [[Appendix D: Hardware]] for how to buy them from us (or how to get them yourself, if you want.)