If you're planning on making a sliding jig or fixture for your woodworking shop, the INCRA Miter Slider is exactly what you need. These inexpensive aluminum runners adjust for PERFECT sliding action in any standard (or near standard) 3/4' by 3/8' miter gauge slot with just a twist of the wrist. They lock firmly in place with another twist of the wrist. Won't warp, shrink or swell like wooden runners. Includes plans for a wide variety of shop-made jigs and fixtures. Anodized aluminum for durability and beauty. Available in 18' and 24' lengths.

• Adjusts for perfect sliding action in any standard miter gauge slot with just a twist of the wrist
• Locks securely in any standard miter gauge slot with another twist of the wrist
• Includes threaded mounting holes and hardware for easy attachment to any application
• Includes plans for a wide variety of shop-made jigs and fixtures
• All mounting hardware included

Best Miter Slot Runner Sled

Sears Craftsman Miter Gauge Assembly W/Hold-Down for 3/4' W x 3/8' D Miter Slot 5 out of 5 stars (1) 1 product ratings - Sears Craftsman Miter Gauge Assembly W/Hold-Down for 3/4' W x 3/8' D Miter Slot. The OP asked about miter bars ('Miter slot runners'). My three saws have T-slots. All the miter bars are steel. The ones i want/need to be no-shake, I slit with a jewelers saw, and insert 10-32 setscrews from one side to expand them.