Hexagon keys with ball end on the long arm and conventional ends on short arm. The ball type hexagon tip allows the hexagon key to be used up to 30° ; angle from the screwhead recess. Manufactured from chrome vanadium steel that's hardened and tempered then applied with a chemically blacked finish. Supplied in fold - out easy release holder which can be wall - mounted. Contents: 10 x Hex keys: 1.5, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0, 8.0, 10mm