Dial type spring scales offer a versatile and inexpensive weight determinationin classroms, laboratories, field studies and much more. Measurements in grams, ounces, pounds and Newtons. Demonstration spring scales offer a large faceplate for easy viewing and are ideal for all basic weighing applications. ABS housing with metal face plate, pointer, spring and hook. Large bright colored dial face, easy to read graduations on a frosted aluminum background