Supports the following standards: ASTM D2419, AASHTO T176 Manually operated sand equivalent shaker is ideal for use on job site to give more uniform shaking action. Shaker consists of mounting bracket with cylinder holder and two spring steel straps, stroke indicator and counter mounted on one end. Uniform shaking action is accomplished by pushing the top frame by a simple stroke of the hand. Portable unit features removable wooden carrying case. Specifications Dimensions: 21 x 6-1/2 x 26-3/8" (53 x 17 x 67cm). Complies with ASTM D2419; AASHTO T176. Shipping wt. 49 lbs. (22.3kg)