NOISELESS SCREWDRIVER ALTHOUGH STANDARD SCREWDRIVERS LIMIT THE ELECTRIC NOISE THAT THEY GERNERATE, THIS NOILESS TYPE OF SCREWDRIVER IS DESIGNED SPECIFICALLY TO MINIMIZE NOISE. AVALIABLE MODELS: CL-300NL, CL-4000NL, CL-6000NL, CL-6500NL, CL-7000NL.