i have a pair of these as well they where cheap so i reckon it was probably a case of chroming them has added the extra .2mm. After a lot of use one i can get a 15mm spanner on them but its a very tight fit.
@sjc started
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i have a pair of these as well they where cheap so i reckon it was probably a case of chroming them has added the extra .2mm. After a lot of use one i can get a 15mm spanner on them but its a very tight fit.