nasco industries inc. has been manufacturing products for assembly manufacturing industries for over 45 years. nasco one year warranty policy and equipment field proven reliability attest to their product quality and engineering expertise. nasco products include: nascomatic automatic screwfeeding systems, screw presenters & nut presenters. screwfeeding systems in hand held, fixture mounted, multi-spindle, robotic and custom configurations. the woodpecker and screwmaster totally pneumatic screwfeeding system. rotary bowl feeders and linear lock drivers for longer life and greater reliability. presenters and screwfeeders with a one year warranty. sidekick torque reaction arms and tool supports- for torque ratings up to 250 ft-lbs and tool weights up to 44lbs. tool balancers-retractors with ratings up to 10lbs. and zero gravity balancers with capacities up to 154lbs. preset torque limiting tools-slip and click type wrenches rated 200 in lbs and screwdrivers rated to 120 in-lbs.