Black Hex-Plus Ball End Hex Key Set, 9 Piece - 950/9 - 

Traditional hexagon socket screws can be easily rounded by the sharp edges of the tool pressing against the inside of the screw profile. The Hex-Plus profile offers greater surface contact in the head of the screw, reducing the notching effect to a minimum and deformation to the screw head is almost eliminated. The greater contact area also enables a greater torque transfer by up 20%. The long arm of each Hex Key features a ball-end design which allows off angle screws to be accessed which is particularly advantageous in confined spaces. A BlackLaser surface treatment provides outstanding surface protection, even against corrosion, extending service life. Wear-resistant, laser-engraved size markings mean tools are always quick to hand.