¡¼Function¡½Having a standard miter track combined with a mini t track allows you to use multiple jigs and fixtures at once or use for quick and easy change-outs. ¡¼High Quality¡½Made of durable aluminium alloy material, which is durable, wear resistance, weather resistance and corrosion resistance. ¡¼Size¡½T-slot miter track length is about 30cm(11.81inch),40cm(15.75inch) ,50cm(19.7inch),60cm(23.6inch),80cm(31.5inch). The "T" slot accepts standard t-bars that won`t lift out of the track. ¡¼Woodworking Tool¡½T-bars are excellent for fixtures that need to secured into the track for stationary purposes like featherboards or hold-downs. ¡¼Application¡½Can be used for fences and different of woodworking projects like CNC, table saw, router table, etc.