L-key screwdriver, long, with spherical head and retaining ring, set in a practical plastic holder, for hexagon socket screws, inserted spring washer on the spherical head, holds screws securely on the tool, perfectly shaped spherical head, enables screws to be turned at an angle of up to 30 °, Special alloy based on spring steel, exceptional elasticity with high hardness, laser-marked with serial number, lifelong guarantee