Recorder Rubber Belt - Cassette Recorder Repair Maintenance Mix Flat Cassette Tape Machine Rubber Belts 40-135MM (50PCS) (Width 3MM)

These belts are very low quality and won't last very long. I personally wouldn't recommend them for anything high-end and won't be purchasing them again. It's like they're pre dry-rotted. Please save your money for higher quality belts.

These cassette belts are not thick per se. They are exactly 1/8 in wide. They are of various lengths.

Too many small sizes- nice quality-just not enough of the larger sizes

These are a great value and seemingly good enough quality, but the problem I'm having is the inconsistency of sizes packed in each package. I restore a lot of 1990s Sony cassette decks and the size I need most is a 20.3cm X 3mm flat belt. In one package I found two of that size, but in another package of the same order there were none. With this particular belt size being so popular across brands I wish they would make sure to pack at least six or seven of this size in each package.

It’s great to have a set around if you deal with vintage electronics. There is a good selection of length. However they are not as stretchy as you’d expect, maybe that is on purpose for the intended tape drive repairs.