Sand Equivalent Shaker, Spring

The manual shaker has a mounting bracket with cylinder holder and 2 spring steel straps, stroke indicator and counter mounted on one end. Uniform shaking action is accomplished by pushing the top frame by hand. Unit is portable and includes a removable wooden carrying case. Dimensions: 21" x 6 ½" x 26 3/8" (53 x 17 x 67 cm).