Fangrui Product Details Each Screwdriver Head Of The Precision Screwdriver Set Is Made Of High-quality Tool Steel, With A Hardness Of Up To 60hrc And Long-lasting Reliability. The 17mm Long Screw Neck Allows You To Come Into Contact With Screws That Other Precision Screwdrivers Cannot Reach. This Set Of Mini Screwdrivers Help You Easily Complete Your Work And Extend The Tool Life [ Multi Purpose ] Includes 36 4mm Screwdriver Heads, Available In 10 Types -for , Torx Security, Star, Pentalobe, Flat Head, Hex, Triangle, Tripoint, Spanner, Ics, As Well As Fine Tweezers And Metal Drills For Your Daily Maintenance Work, Such As Computers, , Pcs, Electronic Devices, Laptops, Phones, , Rc, , , Switches, Xboxes, Game Controllers And Consoles, Rings, And More Technological Equipment The Convenient One Click Release Mechanism Of The Case Makes It Easy To Access Your Precision Drill Bit. This Computer Kit Features A Magnetic Safety Box That Can Hold All Drill Bits In Place And Label The Type For Quick Identification And Easy Organization.