Kreg PRS3400 Precision Router Table Set Up Bars, Set of 7
Kreg PRS3400 Precision Router Table Set Up Bars, Set of 7
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Product Details
Product Details
Key Features
Overview
The Kreg PRS3400 Precision Router Table Setup Bars are a setup gauge set for quickly setting cutter height, checking cut depth, and positioning a fence for accurate routing and sawing. This is a router table setup bar set designed for precision router table and table saw setup. Model number: PRS3400.
The core idea is simple: stop guessing, stop measuring twice. The concave step on the bottom of each bar is made to straddle a router bit or saw blade so you can set cutting height with the bar sitting flat and stable. That makes it easier to sneak up on a fit for joinery and profile work without overshooting.
Each bar also has a step on the top edge that works as a depth gauge after the cut. Set your cutter height, make a pass, then use the bar to confirm the cut depth matches what you planned. It is a practical way to keep rabbets, dados, grooves, and raised-panel profiles consistent across parts.
The step on the end of each setup bar acts as a fence gauge, letting you set the distance from a table saw blade to the fence or from a router bit to the fence. That saves time when you are repeating a cut on multiple pieces or returning to a setting later in the job.
This PRS3400 set includes seven setup bars, stored in a protective case, with sizes ranging from 1/8 inch to 1/2 inch. The bars are made from soft aluminum, intended to help avoid damaging a bit or blade if contact happens during setup.
If you do a lot of router table work, woodworking joinery, or repeatable table saw setups, these bars are the kind of small accessory that keeps your settings consistent and your workflow moving.
Set Bit or Blade Height Without Guesswork
The bottom concave step is built to sit over the cutter so you can set height directly off the bar instead of trying to read a ruler next to a spinning tool.
- Concave step on the bottom straddles a router bit or saw blade for height adjustment
- Works for router table setup, table saw setup, and shaper setup
Check Cut Depth Between Passes
The top step gives you a quick depth check on the workpiece, which is handy when you are sneaking up on joinery and want every part to match.
- Top edge step acts as a gauge to test the depth of completed cuts
- Helps keep grooves, dados, and rabbets consistent across multiple pieces
Set Fence Distance Quickly
The end step works as a fence gauge so you can position the fence relative to the cutter without doing math or hunting for a tape measure that fits the space.
- End step sets distance from table saw blade to fence, or router bit to fence
- Useful for repeat cuts and returning to known settings
What's in the Box
- (7) Setup bars: 1/8 in, 3/16 in, 1/4 in, 5/16 in, 3/8 in, 7/16 in, 1/2 in
- (1) Protective storage case
Key Specifications
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Aluminum |
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1/8 in, 3/16 in, 1/4 in, 5/16 in, 3/8 in, 7/16 in, 1/2 in |
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1.15 lbs |
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United States |
Compatibility
Built For
Pro Tip
When you are dialing in a profile in multiple passes, use the same setup bar to set the cutter height, then use the top step to verify depth on the workpiece after each pass. It keeps your final dimension consistent even if you take the fence off and put it back on later.
Warranty & Support
Tool Nut's Take
Kreg PRS3400 Precision Router Table Setup Bars: the small accessory that tightens up your results
If you want repeatable router table and table saw settings without wasting time measuring, this set earns its spot in the case.
- Who it's for: Woodworkers who do joinery, pattern routing, and repeat cuts where setup accuracy matters.
- Why it stands out: The three-gauge design handles height, depth, and fence positioning with one set of bars.
- Worth knowing: The bars are soft aluminum by design to help prevent damage during setup if contact happens.
Common Questions
- How many setup bars come in the set, and what sizes are they? The set includes seven bars: 1/8 in, 3/16 in, 1/4 in, 5/16 in, 3/8 in, 7/16 in, and 1/2 in.
- What tools can these be used with? They are designed for setup on a router table, table saw, or shaper for setting cutter height, checking cut depth, and positioning the fence.
- Do these work with a specific router table? They are listed as compatible with the Kreg Precision Bench Top Router Table (PRS2000).

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