The 107 models are comprised of a single shaft construction to maintain quiet mixing. This product line mixes large amounts of low viscous solutions when equipped with two Model 152A propellers. Both models have a continuous duty rating. Mixers include collet chuck and 8" (20.3cm) mounting rod with carriage bolt and wrench for mounting motor to support stands. Support stands and holders sold separately. Horsepower: 1/30. Electrical: 120 volt, 1.2 amps. Shaft Size: 5/16" (7.9mm). Collet Chuck.