Salter Brecknell electronic/ mechanical hanging scale. Compact, robust and corrosion resistant, housed in a tough ABS plastic case with shatterproof polycarbonate dial cover. Low friction acetal bearings provide positive movement to give maximum sensitivity. Accurate to one part in 250 with up to 15 percent zero adjust. Supplied with top and bottom hooks. 5-115/128" Dial. Measures 6-49/64" width by 9-1/8" height by 2-1/4" thick. 56 lbs Capacity.