Precision Hex Screwdriver Kit

Transform your old screwdriver set into super portable case with 32 bits capacity. Add 4x1mm magnets (8 pcs.) for locking mechanism. Easy hinges, just insert chunks of filament and you're done.Suitable for 4mm bits and 4mm screwdriver hex rod. Includes bit fit test model in order to adjust print parameters to nicely fit your pieces. Case: 0.2 layer height, 3 perimeters, 3 bottom and top layers, infill 15%, supports. Adjust horizontal expansion for great fit with test file.Grip: 0.2 layer height,