LOW COST HO Slot Car break in tool (No Batteries Needed) Saves all the wear and tear on your Pickup Shoes High Resolution Guide Pin Placement (not available on other low cost units) Bob’s Original HO Slot Car Multi Powered Break-In Tool for many guide pin HO Slot Cars but not all Tyco HP2 seem to be a problem but the deluxe tool available in another of my listings can do it all. NEO MAGNETIC ADAPTER holds the adapter firmly on your track Use your track, power supply and favorite speed controller for testing High Quality Precision Dual Ball Bearings support a Low Mass ABS Plastic roller Guide Pins Only not for Tyco Pro or Riggen Guide Shoes Use the Pin Side down for AFX guides pins Custom Engineered using CAD software3D Printed using FDM technologyFree Shipping in a sturdy cardboard box Slots cars & Accessories not included they are just for photo purposes you get just the amazing tool.This is the low cost version for the Desktopbob line of run in tools