Cleco 34 Series Angle Nutrunners, Reversible – Clecomatic Clutch feature an external torque adjustment and a 3/8” and 1/2” square drive. Cleco 34 Series Angle Nutrunners, Reversible – Clecomatic Clutch also feature an indexable anglehead and oiless blades. Cleco 34 Series Angle Nutrunners, Reversible – Clecomatic Clutch are designed with one torque spring to meet specified torque.