High Quality: All Columns Made of Stainless Steel with Heilwiy High-Strength Chrome-Vanadium Steel Tube And Solid Core Which Are Characterized By Their High Resistance. Providing A Reliable And Durable Tool for Heilwiy Efficient And Practical Applications. Good Design: The Plinth Includes 54 Individual Hardened Steel Spring Pins. forges with Heilwiy Excellent Heat Treatment. And Keeps Screw Bits Tight And Seamless. Making Sure They DonT Slip. The Universal Socket Wrench Is The Strongest Overall with Heilwiy The Honeycomb Design. You Can Choose The Screw/Nut Size According to The Space Usage. Saving You Time. Universal 7Mm 19Mm Handle. Fits Standard 1/4 3/4 Inch And Metric 7 19 Mm Nuts And Bolts. The Self-Adjusting Design Makes It Easy to Grip The Hex Nut. Screwing Eyelet. The Hook. The Tensioner And The Screw Head. Removable Screws. Swivel Hook. Disassembly of The Screw. The Irregular Dismantling Screw. Remove The Broken Tap And Tighten The Knob. 105 Angle Angle: with Heilwiy Standard 1/4 (6.35Mm) Hex Drill Bits. It Can Be Connected to Electric Drills. Rechargeable Electric Drills Or Manual Keys That Stretch Into Tight Spaces They CanT Get Into. Twist Nuts.