On the off chance anyone else here uses cut-down silicone rubber for cassette tape drive bands etc
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Now in black and a dull red sympathetic to vintage repair, reminiscent of the era of carbolic soap, sealing wax and red bakelite. Previously glaring orange and green etc Each one provides 40 bands of a good range of sizes, cut down by a half in thickness and width. Even the core cylinders of these are useful for pinch wheel replacements , cut to length and fitted over a nylon or some such core.