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Leigh RTJ400 Router Table Dovetail Jig and 11-Pc. Accessory Kit Package

Leigh RTJ400 Router Table Dovetail Jig and 11-Pc. Accessory Kit Package - Main image
$403.07 $639.8 In stock

Category: Jigs & Fixtures Router Jigs

Leigh RTJ400 Router Table Dovetail Jig – Precision Joinery for Table-Mounted Routers

Ideal for woodworkers using table-mounted routers, the Leigh RTJ400 Dovetail Jig delivers exceptional precision, speed, and ease of use. Unlike traditional handheld dovetail jigs, the RTJ400 glides effortlessly across the top of your router table, offering a stable, upright working position and eliminating the struggle of balancing your router on a narrow jig.

Designed for high-performance joinery, the RTJ400 makes it simple to cut through dovetails, half-blind dovetails, and box joints with unmatched accuracy. Its CNC-machined, aircraft-grade aluminum template ensures long-lasting durability and consistent results. With the patented Leigh e10 elliptical guide bushing, you get flawless, repeatable joint fit every time.

Key Features:

  • Versatile Joinery Options
    Cut a wide range of joint types and sizes:
    • 5 sizes of through dovetails
    • 4 sizes of half-pitch through dovetails
    • 3 sizes of half-blind dovetails (single pass)
    • 4 sizes of box joints (finger joints)
  • Additional Joint Capabilities
    Rout angled dovetails and end-to-end dovetail splices—both straight and angled—for advanced woodworking applications.
  • Simple, Accurate Operation
    Center your workpiece on the template and smoothly guide the jig across your router table for perfect results—no handheld routing required.
  • All-in-One Template
    One precision template handles all three joint types, minimizing setup and maximizing efficiency.
  • Complete with Easy-to-Follow Instructions
    Includes a 76-page illustrated guide and quick-reference instruction strips to help users of all skill levels achieve professional-grade joinery.
  • Compatibility Note
    Requires a 1-3/8'' Porter-Cable style insert ring to fit the Leigh e10 guide bushing to your router table or router lift.

Whether you're building drawers, boxes, or fine furniture, the Leigh RTJ400 is the ultimate dovetail and box joint jig for router table users. Its intuitive design, high-precision components, and wide range of joinery options make it a must-have for any serious woodworker or professional shop.

Perfect dovetails and box joints—made simple and repeatable.

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Jason ★★★★★

I was really impressed with how smoothly the dovetail bits cut through the hardwood—the precision of the guide fingers made my joints fit tighter than I've ever managed by hand. The included template set saved me from buying extra accessories for different box sizes.

Michael D. ★★★★★

Cut several test dovetails on scrap maple and was blown away by how tight and consistent the joints came out. The micro-adjustable fingers made dialing in the fit effortless, even for a first-time user.

Chloe E. ★★★★★

The guide fence adjustment is so finely threaded that dialing in the dovetail depth on my table router took about half the time I expected. The included accessory kit means I didn't have to hunt down a single bit or bushing separately, which was a nice surprise.