Set of 6 Metric Hex Key Drivers for 3D Printers - Allen Keys Straight / Screw Driver style Tools & Home Improvement This is a major upgrade

This is a major upgrade in durability

Please note: the first batch may have holes that need to be cut for mounting on the magnet side

carefully BEFORE making any changes on the controller

It works great

Print Speed: 30–300 mm/s

Set of 6 Metric Hex Key Drivers for 3D Printers - Allen Keys Straight / Screw Driver style Tools & Home Improvement This is a major upgradeWant to get a little fancier than those L shaped hex drivers that you might have laying around (who can ever find the 2. 5mm? That's the one I always lose) Need that elusive 1. 27mm driver for those tiny m2 bolts? Well, do we have the thing for you! This kit comes with one of each of the common sizes used for 3D Printers: 1. 27mm 1. 5mm 2. 0mm 2. 5mm 3mm 4mm