First Look at Micro Jig's "ZeroPlay" miter bar.

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Review by handi posted 07-21-2009 12:42 AM 4606 views 1 time favorited 3 comments Add to Favorites Watch
First Look at Micro Jig's "ZeroPlay" miter bar. First Look at Micro Jig's "ZeroPlay" miter bar. First Look at Micro Jig's "ZeroPlay" miter bar. Click the pictures to enlarge them

Not quite available in stores yet, I got the chance to test and review Micro Jig’s “ZeroPlay” miter bars.

They are really two pieces with opposing wedges molded in that spread them to fit the miter slot. Set screws lock the bars once adjusted. They are molded of glass filled nylon, which makes them durable as well as slick enough to slide well.

The bars are short at 9 1/2”, but because they make full contact with the slot along their entire length, they are surprisingly sure in their holding power.

Each bar also comes with a stop unit, essentially a t_nut that can be locked into the miter slot.

The instructions are clear and even come with a lot of useful plans for jig making using the bars.

I will be using these on all my jigs going forward.

A full review can be found on my website,


View handi's profile


128 posts in 4074 days

3 comments so far

View cagenuts's profile


36 posts in 1855 days

#1 posted 03-14-2013 03:50 PM

Thanks for the review. When you say “they make full contact with the slot along their entire length” do you mean the contact points are along the edges or along the bottom?


-- Weekend Wood Wrecker

View handi's profile


128 posts in 4074 days

#2 posted 03-14-2013 07:08 PM


The ZeroPlay bars are made up of two parts. Each is narrower than the slot and they slide against each other diagonally to spread and fit the miter slot. They contact the sides of the slot. ZeroPlay is actually thinner than 3/8” so they don’t actually touch the bottom of the miter slot.

Hope this helps,



View OggieOglethorpe's profile


1276 posts in 1744 days

#3 posted 03-14-2013 07:33 PM

I’m a huge fan of 1/4” Baltic birch plywood runners, milled to specifically to press-fit into tool they’ll be used on.

They’re ridiculously stable, run on super tough end grain, and the end grain burnishes to a slick polish with a little bit of wax and usage. BB plywood runners are super popular in pro shops and well-known fine woodworking schools in my area, lasting years under constant use.

They’re often free, from narrow offcuts, and a lifetime supply can be milled up in 10-15 minutes. Rip them 1/32” oversize, and gang plane them on edge to a press fit.

To install them, wax the slots, stack two in the slot (one set is simply a riser), run a bead of glue down them, place the sled floor in place, weight it, and go to lunch or home for the evening. When you come back, flip the sled, add a few screws from the bottom, and you’re good to go.

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