Features: 1 Easily cope with various places 2 Scope of application: Quick disassembly assembly of hexagon socket bolts in various major auto repair industries Material: Overall heat treatment, using 50BV30 chromium vanadium steel with high hardness, toughness, stronger performance better performance Appearance: The surface is polished plated with bright chrome, which effectively prevents corrosion is not easy to rust, is durable has a longer service life; the special arc inner corner design reduces the wear of the nut's sharp corners, making it less likely to slip during operation is safer; there is an anti-detachment groove inside, stard 10mm The square hole interface prevents falling off is safer to operate; the br specifications are stamped with steel stamps, the writing is clear easy to take