Self-Leveling Mixer (Fluid Mixer Special) by Raimondi for large jobs. The self-leveling mixer 20-gallon mixing bucket gives you a 1-bag mixing capacity for the same water-to-power mixing ratio every time. Fluid Mixer Special by Raimondi is a heavy-duty stand designed for mixing self-level materials. The 4 swivel wheels make it easy to move. The swivel bucket holder allows you to pour the mixture uniformly while eliminating fatigue from transporting the materials once mixed. Self-leveling Mixer has a universal attachment for drill or mixer from 1-9/16" to 2-3/8". The 3 spiral mixing paddle is 5-1/2" in diameter and has a length of 26-25/32". Self-Leveling Mixer comes with 1 Bucket 20 Gal, and 1 Mixing Paddle.