Magnetic Triangle Screwdriver Bits. Features: Made of High Quality S2 Alloy Steel with Hardness of 58-60HRC After Heat Treatment, It is Superhard and Wear-resistant,  which is More Than Twice the Life of the Same Product. It is the Most Ideal Industrial Grade Mouthpiece for Factory Assembly Line. High-intensity Magnetic Bit is Suitable for Electric Screwdriver, Hand Drill, Charging Drill, Etc. Specifications:  Material: Imported S2 Steel Length: 50mm/1.97" Handle Diameter: 1/4~6.35mm 6pcs: TA1.8/TA2.0/TA2.3/TA2.5/TA2.7/TA3.0mm Surface Treatment: Anti-rust by Mirror Electroplating Model Number: Screwdriver Bits Screw Head Size: TA1.8/TA2.0/TA2.3/TA2.5/TA2.7/TA3.0mm Screw Head Type: Triangle Package: 5-9Pcs Type: Magnetic Screwdriver Magnetic: Yes With Handle Or Not: No  Type: Screwdriver Set Package Included: 6x  Screwdriver Bits. . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.