I never use the open end really... capped end always wears through for me (2 weeks for 3mm, 4 weeks for 5mm)?
It all comes down to cost versus durability. I'd buy a £7 head if it lasted 140% longer than the £5 head, etc.
@JonoMarshall started
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I never use the open end really... capped end always wears through for me (2 weeks for 3mm, 4 weeks for 5mm)?
It all comes down to cost versus durability. I'd buy a £7 head if it lasted 140% longer than the £5 head, etc.