Atari 520 ST refurb part 2

Part two - repairing / restoring an Atari 520 STM KMTech MKIV Amiga/Atari USB mouse adapter converter with mode switch jumpers https://www.ebay.com/itm/124407274382 Recorder Rubber Belts - Cassette Recorder Repair Maintenance Mix Flat Cassette Tape Machine Rubber Belts 40-135MM (50PCS) (Width 3MM) https://www.amazon.com/dp/B08QW3K2NN/...