Cleco 19 Series Pistol Grip Screwdrivers, Trigger Start – P Handle features class-leading accuracy and repeatability. Cleco 19 Series Pistol Grip Screwdrivers, Trigger Start – P Handle features an adjustable reverse lever for true one-hand left-handed or right-handed operation. Cleco 19 Series Pistol Grip Screwdrivers, Trigger Start – P Handle also features an external adjustment.