Premium quality spring balance with 0-2000g and 0.1N capacity Superior quality & finish, dual transparent scale - measures in newtons and grams User friendly zero-point calibration capability Premium quality. Great for physics demonstrations and experiments Spring balance measures 9" long and 1.4" wide Premium quality spring balance with acrylic body. 0-2000g / 0-20N capacity, 40g sub-division. Superior quality & finish, dual transparent scale - measures in newtons and grams. User friendly zero-point calibration capability- simply pull up or push down the tab at the top of the scale to adjust. Features a loop at the top of the scale for hanging and a hook at the base to hold items being measured. Great for physics classrooms, demonstrations and experiments. Spring balance scale measures 9" tall in total, 1.4" wide and 0.85" long. Scale body measures 5.4" tall.