Miter slot runners for sleds - suggestions?

Runners for RyobiCraftsman Tabbed Miter Slots mitre slot runners Glass reinforced parts will not warp or swell with environmental changes like wood runners ‍ ZEROPLAY Miter Bar Will it fit my miter slot? is there any strategy to slot machines runners also act as a safety stop Because the runners will stop at the end of the miter slot, this prevents me from pushing the sled

book of darkness slot Glass reinforced parts will not warp or swell with environmental changes like wood runners ‍ ZEROPLAY Miter Bar Will it fit my miter slot?