Modular Screwdriver Handles (4mm & 1/4" Hex)

Description:Tired of loose bits, short reach, and messy toolboxes? This modular hex screwdriver handle solves it all - with zero extra hardware!I designed this 3D printed handle specifically for standard hex screwdriver bits. It features several key innovations for a better DIY experience:Purely Mechanical Elastic Grip (No Magnets/Hardware!):The genius lies in the self-contained elastic clamping mechanismRequires no additional magnets, springs, or hardware - it works straight off your print bedIntelligently compensates for printing tolerances and slightly oversized bitsProvides secure, non-slip grip on your hex bits,4mm hex bits (standard for precision electronics),1/4" (6.35mm) hex bits (common for power tools/mechanics)Modular & Stackable Design :Extend Your Reach: Screw multiple handles together end-to-end for extra leverageNeat Storage: Stack handles together (even with bits installed!) for compact organizationSmart Bit Switching: Change bits by simply moving the relevant handl