Features:Material: The screwdriver bit is made from CR-V (chrome-vanadium steel), which’s hardness and toughness are much higher than carbon steel. As the most ideal tool material, our screwdriver set is perfect for making all kinds of screwdriver bits. Portable: The multi-purpose toolset size is 7.5"L x 4" W x 2"H, as small as the palm of an adult's hand. Hanging hole design and hasp joint design make sure you can store or carry it wherever you want.26 Pcs: Tool set includes 24 pcs screwdriver bits and 1 pc adaptor and 1 pc ratchet wrench.-, +, ✱, honeycomb shape of screw bits, quickly install and remove the screwdriver head to meet your various needs. Practical: Professional 26 pcs Precision Screwdriver Set is a family essential tool. Great gift for Father's Day, a new house, apartment, dorm, workshop, or for the practical people on your list. Best for Use: Reduces Wobbles and breakage, torque allows bits to flex, longer life, antirust coat, anti-slip T-shape handle.

Specification:

Material: CR-V (chrome-vanadium steel)