4/10Pcs Slotted Screwdriver Bit Set Magnetic For Drill 1/4 Hex Shank Cross Screw Driver Tip Kit Precision Power Tool Accessory

With Handle Or Not : Yes Type : Magnetic Screwdriver Screw Head Size : SL3-SL6 Origin : China Model Number : Slotted Magnetic : Yes Package : 5-9Pcs Screw Head Type : SLOTTED Material : Alloy Steel The word "150 mm wind batch" Product Description: Main features： The imported reinforced S2 material has higher strength than the ordinary S2 material. The batch head adopts the imported S2 alloy steel from Taiwan. The S2 steel is the ideal material for batch head production at present. With hardening and heat treatment, the whole batch head is raised to the optimum hardness state of 60HCR through heat treatment process, which has low strength wear and high toughness and is not easy to be damaged. Magnetic treatment, whole batch head magnetizing treatment, can firmly adsorb screw in the process of use, improve the efficiency of operation Clean surface treatment without burrs