16/19mm Industrial Gear Driven Air Drill TOTAL: 3 View: 16mm Industrial Pistol Type Reversible Air Gear Driven Drill (4 Gears) Model : TD-4015(1;100Rpm) 16mm Industrial Reversible Air Gear Driven Drill (4 Gears) Model : TD-4016(1;000Rpm) 19mm(3/4") Industrial Straight Gear Driven Mechanism Air Drill (4Gears) Model : TD-4017(1;000Rpm)