It can be used for both drawers andcabinet doors.
Thumbscrew allows the SuperEasyJig to be clamped to the door or drawer while doing the initial setup.
It comes with easy to use instructions which explain step by step, how to best utilize the jig
Measurement are given in both millimeter and inches. Millimeter are exact measurements and inches are approximates that are used by manufacturers.
Occasionally, manufacturers may not strictly adhere to standard hole distance sizes for the handles. SuperEasy-Jig 320 even handles non-standard hole sizes. You simple use the open slot under the holes and mark with pen that corresponds to your handle. You will then use this instead of the holes. this gives you almost limitless possibility to choose your handle hole spacing from zero to 320 mm.