EMI High-Shear Rotostat Mixer. Model: X-1. S/N: C10903. Multi-functional for dispersing, dissolving, emulsifying, homogenizing, and suspending. Direct drive for high speed rotor blade action. Outer impeller diameter: 4-1/2 in. Inner impeller diameter: 2-1/2 in. Shaft dimensions: 5/8 in. dia. x 32 in. L. Scott Motor, 1 hp, 1800 rpm (final), 90 V, 10 amps. Overall dimensions: 7 in. L x 6 in. W x 53 in. H.