Features: Engineered with powerful magnetic retention and second mixture steel construction, this cut drive port adapter bit securely grips screws during high twist operations while resisting wear for 3x longer existence than standard specks. Featuring double 25mm/50mm length preferences and global compatibility with electric/pneumatic/hand devices, these magnetic screwdriver specks adapt effortlessly to diverse fastening tasks across automotive, construction, and artisanal projects. Ideal for professional mechanics demanding accuracy in heavy duty repairs and home enthusiasts tackling furniture assembly or appliance maintenance. Tackle stubborn screws in confined engine compartments, assemble flat pack cabinets with slip complimentary control, or drive industrial grade fasteners on production lines – all with single flexible magnetic bit set. Packaged in crush resistant plastic casing with protective , these port adapter specks remain organized and damage complimentary during job site transfers or toolbox storage. Specifications: Substance: second mixture steel size: Single 25mm (silver/black) Single 50mm (silver/black) Technical parameters: Weight: 10g (25mm) | 20g (50mm) Package Includes: Strong magnetic cut positioning batch head variable note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.