1/4" Stubby Screwdriver

a set of small ¼" (6.35) driver knobs. This version is with a 3 x 10mm magnet to retain the bit holder. The magnet and ¼" driver slots are a close fit, use hole compensation in the slicer to adjust. There is one pause in the slice to insert magnets on both parts. Make sure:The magnet is at or under the surface of the previous layer.the magnet is snug is you are using a steel nozzle.