Infinity Tools 3/4" x 21/32" Brass Template Guide w/ Lock Nut

It is a replacement part for the Infinity Tools Portable Box Joint Jig for Large Finger / Box Joints, item #BJJ-005. See more router jigs & guides.

It measures 3/4" x 21/32" and is made of brass.

Yes. The guide includes a lock nut, as noted in the product name.

It is made of brass, a durable material commonly used for template guides because it resists wear against router bits.

A guide can be chewed up or worn from contact with the bit over time. This replacement restores accurate joinery so you can keep cutting clean finger and box joints.

Used with the Portable Box Joint Jig, it helps cut large, oversized finger and box joints for boxes, drawers, and casework. Explore related frame & panel templates.

This is just the replacement brass template guide, not the complete jig. It is intended to replace a worn or damaged guide on the BJJ-005 jig.

It is made by Infinity Cutting Tools as a genuine replacement part for their box joint jig.

Yes. Because the guide registers the router against the template, fitting a fresh guide restores the precise fit needed for clean, repeatable box joints.

You can browse our full selection of router templates for joinery, shapes, and project work.