Very long durability regardless of working conditions. Maintenance-free. Mechanism sealed to industrial dust. 120 tooth mechanism for 3° increments. Lever reversing: easy even when wearing gloves. Visible rotation direction. "Palm control" system, to press the ratchet head when tightening or loosening without risk of accidental reversing of the rotation direction. Ultra-compact head. Bi-material elastomer grip: high resistance to abrasion and the most severe workshop solvents: SP95, SP98, diesel fuel, acetone, brake fluid, Skydrol, Jet Oil, kerosene. Hole in the handle for strapping when working in high places.