6 JAT-660,661 ScrewdriversTool specificationsModel number JAT-660 JAT-661Stock number 505660 505661Chuck size and type 1/4 in. hex bit; positive clutch 1/4 in. hex bit; positive clutchHorsepower 1/2 1/2Maximum torque 145 lbf•ft(196.6 N•m)115 lbf•ft(155.9 N•m)Free speed 800 RPM 1800 RPMAverage air consumption 4 CFM 4 CFMAir inlet 1/4 in. NPT 1/4 in. NPTAir hose inside diameter 3/8 in. 3/8 in.Required air pressure 90 psi (621 kPa) 90 psi (621 kPa)Vibration value 0.3 m/s 2 0.2 m/s 2Noise level 1 95 dB(A) 95 dB(A)Rotation direction Forward and reverse Forward and reversePower setting Variable speed trigger Variable speed triggerGrip Pistol style Pistol styleOverall Length 8-1/8 in. (206.38 mm) 7-3/8 in. (187.33 mm)Housing material Composite CompositeNet weight 2.54 lb. (1.15 kg) 2.20 lb. (1 kg)Shipping weight 2.9 lb. (1.32 kg) 2.55 lb. (1.16 kg)1 The specified values are emission levels and are not necessarily to be seen as safe operating levels. Asworkplace conditions vary, this information is intended to allow the user to make a better estimation of thehazards and risks involved only.Specifications were current at time of publication, but because of our policy of continuous improvement, JETreserves the right to change specifications at any time and without prior notice, without incurring obligations.