Hex Bit Screwdriver Handle - Mechanically locking

Precision 1/4" Hex Bit Driver (Mechanically Locking) A comfortable, bit-retaining screwdriver handle designed for all common types of ¼" hex bits. This works straight off the build plate. It's a very satisfying click 😁. Unlike many printed handles that require magnets, drilling, or heating, this model features three gripping fingers that clamp down on the bits. This is a true mechanical retention feature that grips all sorts of 1/4" bits, not just power groove bits or full hex bits. Successfully test printed in PETG, PCTG, PLA, PLA+, and PLA+2.0. I prefer PETG and PLA+2.0. Do NOT use PLA-CF, PETG-CF, or PLA silk. Post processing: Expect to need pliers for the first 2 or 3 times you remove the bits. After that, it's easy to hand swap the them. I also like to use a drill and sandpaper to give these a super smooth finish and erase the layer lines / support interface. This is generic PLA Basic from a P1S at 205C and flow ratio of 0.98 New version just added knerling. Key Features Mechanic