You get 4 ferrite rods with coils.
4 x 20 Way 2.54mm Turned Pin Single In Line SIL Header UK stock
Double Sided Prototype PCB Printed Circuit Board FR-4 2.54mm - UK Stock
4 Pin Type A FEMALE USB to 2.54mm DIP PCB Breakout Board SIP Adapter UK
10 USB Type A Female to DIP Adapter 2.54mm 4 Pin Breakout Board
10 x 1/2W 0.5W 0410 Axial Ferrite Choke Inductor Coil 1uH to 4.7mH (pack of 10)
Reland Sun 20pcs 2.54mm 2.0mm Jumper Caps Standard Circuit Board Jumper Cap Shunts Short Circuit Connection Pin Blocks (2.54mm black)