Is there such a thing as a standard sized track for mitresfences etc?

Should I use T-track or miter slot for the long section parallel miter slot track Miter bar Width: Miter bar Thickness: 5mm Slider Bar :100mm200mm300mm450mm Material: Aluminium alloy miter slot What is needed is a T - track that can slide in the SS mitre groove and a few T-track clamps You put the t-track in the miter groove clamp you board so the

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