Undermount Drawer Slide Jig – Install Quickly, Accurately Blum Tandem Undermount Drawer Slides - Earth Magnets Securely Holds Drawer Slides Undermount – Foamed Nylon Body Hardware Installation Jig

The jig made the installation of the drawer slides a lot easier and quicker.

I just finished using this to mount the first of many drawer slides. I mounted Blum 21" 563H slides. The jig fit the slides perfectly, it was a easy to adjust to get the slide holes to line up where I wanted them, and a

Great for installing Blum Undermount drawer slides. Only removed a star as the setback scale is the same color plastic as the tool making it really hard to read, they should improve that with contrasting colors

This is a must have if you install under mount drawer slides often.

Wished I’d ordered one sooner. Makes putting drawer guides on simple

Looks good in theory- as another reviewer eluded to… does not work for 21” drawer slides… you know standard kitchen depth. The thing needs to be longer with additional magnets to hold the weight of the 21” blum slide… and guess what- it cant. So despite it description in will not free up your hands at all to mount a back bracket so good luck. Probably works just fine with the shortest undermounts blum makes but guess what… most of us are buying blum slides for a kitchen with 21” slides. You got me Rockler but not again. Does not work as advertised. Save your money.

Works ok for small guides... but magnets are too weak to hold a 21" guide

For 21' Blum drawer slides this guide will not hold the slide. Magnets are not strong enough. Better to install a 1/2" X 1" x 2" wooden support at back of cabinet. Level the wood and lay the Blum slide on it for up/down location. Then can set the cross location easily with a constant wedge.