本店可以刻字2元一个产品，请产品和以下链接一起拍下https://item.taobao.com/item.htm?id=535522658589
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面宽 8mm
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17#=内径17.5mm
18#=内径18.5mm
19#=内径19.5mm
20#=内径20.5mm
21#=内径21.5mm
22#=内径22.5mm
Surface width 8mm
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17 # = inner diameter 17.5 mm
18 # = inner diameter 18.5 mm
19 # = inner diameter 19.5 mm
20 # = inner diameter 20.5mm
21 # = inner diameter 21.5 mm
22 # = inner diameter 22.5 mm
