Newbie question regarding miter tracks, miter bars, t-tracks, etc

miter slot bar   Dan miter slot track

Material will not warp or swell with changing humidity and temperature like wood runners Will it fit my miter slot? ZEROPLAY Miter Bars will fit any standard (

Dovetail Miter Slot Bar This is a standard miter slot bar , with an extra strong twist! A standard miter slot bar, over time, will pull out Hi I have an older tablesaw with 12 miter slots Does anyone know where I can get 12 inch miter bars for jigs? All I can find are 34

butterfly 888 slot Includes: Aluminum slot bars for ¾” x ⅜” miter gauge slots ; Black star knobs It is easily machined or hand planed with sharp woodworking tools to fit individual machine slots or miter track Can be cut, planed, drilled and tapped to suit