
Reference: Large "metric" hex sockets required. Obviously they are made abroad, they are metric but the material is good. I've had to upgrade the metric hex set for a larger than normal spanner set up to 10mm pitch - to add 12mm, 14mm and 17mm as the company saves on the thickness of the inner plug by using larger hex holes than usual to to save costs. used material. Just note that these are not standard sizes for hex tube plugs. 4 stars for larger metric tools. WOULD AGAIN. π

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