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- Gloucestershire
I've always bought this from Gardiners. Lost the remainder of my current roll so had to go to Screwfix. Ordered 3m electrical tape in blue for £1.69. They tried to give me cheaper black stuff that is 89p. I said thats not the right stuff and he carried on looking. Came back and said they were out of stock. I asked what the difference between that and the white cheaper stuff is and he told me that 3M is a brand name... Can anyone clarify, is normal insulation tape acceptable and is 3M actually a brand name?