* Made of chrome vanadium steel construction for strength and durability.* With mirror chrome plated finish, to protect against rust and corrosion.* Has 6-point opening that snugly fits the hex shape of fastener heads, allowing it to apply maximum torque without slipping.* Socket geometry is designed to apply force to flat sides of fasteners and not the corners, preventing round-off.* Included shallow and deep socket, meet the needs of different lengths.* Widely used in DIY hand-making, household maintenance, and most general repairs.