Sufficient Quantity: 4 screwdriver bit adapter, sufficient quantity to meet your daily work needs
Ideal Size: 25mm overall length, all-in-one adapter for a change of drill bits, if you want to work with 4mm drill bits then our screwdriver bit adapter is for you, suitable for screwdriver handle holder size 1/4"/6.35mm
Good Material: Our adapter is made of high-quality modified tool steel with high hardness and coating with a natural finish, which can be used for a long time
Precise Design: Our 6.35mm 1/4" insert bit adapter to 4mm bit hex holder screwdriver bit adapter is magnetic and adapts well without loosening for stability. And hardened for long-term use
Easy to Use: Our screwdriver bit adapter also allows for quick removal after use, and the precision-fitting, machined precision tip holds securely in place to stay secure at all times.