7Pcs Magnetic Anti-Slip Cross Drill Bit Screwdriver Drill Bits 1/4" Hex Shank Product Feature: Anti Slip Screw Extractor: Striped Head has anti slip function. It can remove all common sizes of damaged or peeled screws. Strong Magnetic Head: The screwdriver bits has strong magnetism, it can catch the screw easily and quickly, and fix it to prevent the drill bit from slipping and improve the work efficiency. High Quality Material: These screwdriver bits are made of high quality S2 material, adopt advanced alloy steel, inductive hardening; It has strong wear resistance, anti-impact, tough and durable. Easy To Carry: Light weight, small size and compact design. You can take it with you and use it for home, telecommunications, car or mechanical maintenance work. Wide Compatibility: Suitable for general sizes and all kinds of broken bits. Universal chuck that suitable for most electric hand drills. Remove broken screws or drill holes in one step. Product Specification: Type: 7Pcs Anti Slip Magnetic Screwdriver Bit Set Size: 25mm,50mm,65mm,70mm,90mm,127mm,150mm Sharpness: PH2 Color: Silver,Blue Material: S2 High Alloy Steel HRC: 58-60 Feature: With magnetic Package Included: 7 x Magnetic Screwdriver Drill Bit