1Made of Chrome-vanadium steel, high strength and hardness, durable to use.v 2Including 10 magnetic screw heads, meet your different needs. 3Exquisite workmanship, each edge can lock screws accurately , no damage to the screw. 4Screw head with strong magnetic, easy to suck the screw in the installation. 5Anti-slip handle with ergonomic design that make it easier to operate, comfortable to hold.