Metric. 15-piece set. With black ProGuardT finish. Includes 1.27; 1.5; 2; 2.5; 3; 3.5; 4; 4.5; 5; 5.5; 6; 7; 8; 9; 10 mm. The ball side of these US made ProtaniumT industrial high torque steel allen wrenches let you work in hard to reach places under a maximum angle of 25ø. Comes complete with plastic holder.
