Rockler JIG IT Undermount Drilling Guide for Blum Tandem Plus – Precision Drill Jig Kit

Precision drilling made simple for undermount drawer installation

When you’re installing concealed Blum slides, accuracy matters. The ROCKLER JIG IT Undermount Drilling Guide is built from durable ABS with steel inserts to endure repeat use. It guides your drill bit to the front corners of the drawer box and locks into the intended alignment, so you get clean, repeatable results with less guesswork.

Key features at a glance

This all-in-one kit is designed to help you create 15° angled pilot holes for locking devices and rear hooks, with an integrated angled guide that keeps drilling depths consistent across every hole.

• ABS drill guide body with steel inserts for long-lasting rigidity
• Included 6mm and 2.5mm brad point drill bits, plus 6mm and 2.5mm stop collars
• Hex wrench for quick setup and fine-tuning
• Designed to work with Blum Tandem Plus drawer slides for undermount installations

How it helps your workflow

With six precise holes drilled per drawer box, you can position each box for smooth, secure operation. The guide’s notch positioning accommodates larger rear holes, ensuring your drawer box snaps into place on the slides with minimal fuss. The combination of a properly aligned guide and depth control reduces rework and keeps your project moving.

• Consistent hole depth reduces variation across holes
• Front-corner alignment minimizes misdrilling and saves time
• Versatile compatibility enables use with Blum Tandem Plus systems

What you get in the box

Beyond the drill guide itself, this kit includes everything you need to start drilling with confidence, from the drill bits to the collars and the hex wrench. It’s a compact, ready-to-use solution that can be integrated into your standard woodworking toolkit.