About ATTCO, Inc.:
Mfr of the Sky Hook, small, manual ergonomic lifting device with a 500 lb capacity; smallest unit weighs only 23 lbs; increases productivity while eliminating lifting injuries; fits into tight, hard-to-reach areas; replaces overhead cranes, forklifts & hoists; portable & lightweight; precision positioning; rotates 360 degrees; meets O.S.H.A. requirements; 8500 series w/bases to fit most quick-change tool holders; 8527 w/bolt down base; 8550 w/floor mount base; 8540 w/receiver hitch base; 8557 w/mobile base; 8570 w/mobile cart; 8560 w/cherry picker base; 8565 w/reverse cherry picker base;