TB-Fit Electrician Impact Screwdriver Bit CNC Machined Tips with Magnetism

Design For Electrician - Type of Head: FPH1&FPH2. This head is suitable for maintenance on Circuit Breakers, Switch Plate, Electrical Enclosure and so on. Premium S2 Steel - CNC machined tips, S2 alloy steel body, hardened core to increase bit strength and reduce fracture. Manganese Phosphate surface to prevent rust. Strong Magnetic Tips - Strengthened magnetic impact bit helps you easy pick up screws. The magnetism doesn’t decay after multiple uses. Quick Change 1/4” Hex Shank - Quick release slot for fast change and eliminate slipping