Allen key set, 15 pieces with ball - mm Allen key with ball is two tools in one The end with ball can be angled up to 30° Can be used in tight spaces The hexagonal ball allows the tool to easily slide in and find the grip in the screw itself The end without ball is used to loosen and tighten where high torque is required The holder with Twist-Lock ensures that the keys are held in place during transport The holder can be used as a handle Contents: 15 pcs: 1.27 - 1.5 - 2 - 2.5 - 3 - 3.5 - 4 - 4.5 - 5 - 5.5 - 6 - 7 - 8 - 9 - 10 mm