1.Made of S2 steel,good workmanship,high precision.each edge can be accurately locked screws,no damage to the screw and the screwdriver head.2.Anti-Impact And Tough,Great Wear Resistant.Precision Screwdriver Fit for electric screwdrivers,hand screwdrivers,electric drills, drills and so forth.3.As a Extension bar,insert into the handle to lengthen the tool handle,which is great helpful for when you meet deep set screwsMagnetic:YesType:Magnetic ScrewdriverWith Handle Or Not:Nois customized:YesFeatures:Double Head,MiniScrew Head Type:Model Number:GJ01397Size:100mmColor:silverMaterial:steelPackage Contents:5* screwdriver1* magnetic ringOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.