9-Piece Extra-Long Ball End Hex Key Set with Case

1.Spring steel special alloy: particularly high hardness values (58-60 HRC) and unique toughness and spring properties characterise this wear-resistant special steel - specially developed for us 2.Chrome-plated and powder-coated, colour code according to size, the right tool quickly at hand 3.Perfectly shaped ball head, allows the screws to be rotated at an angle of up to 30°