16/19mm Industrial Gear Driven Air Drill TOTAL: 5 View: 22mm Industrial Gear Driven Air Reversible Drill(SDS-Plus Chuck) Model : TD-4019 13mm Industrial Gear Driven Air Reversible Drill Model : TD-4018 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) 16mm Industrial Pistol Type Reversible Air Gear Driven Drill (4 Gears) Model : TD-4015(1;100Rpm)