High corrosion resistance, the tip is hardened by an advanced heat treatment for enhanced durability.Strip style removal of peeled screws: Simple and easy removal of daed, plaster, peeling, broken, rusty, freely rotating screws and deck screws.Suitable for almost all sizes of screws: 4-piece hardened screw extractor kit can be used with any drill bit and any screw slot or boltMaterial: high speed steelColor: goldenLength: 51mmScrew size:0#Discharger diameter: 2-4mm1# Unloader diameter: 3-5mm2#Discharger diameter: 4-8mm3#Unloader diameter: 5-10mm4# Unloader diameter: 6-12mmPackage includes:6 x golden screw extractor (with 1 box)Only the above package content is included, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture to be slightly different from the real item. The allowable measurement error is +/- 1-3cm.