Mixes without splashing or sucking air and efficiently enought to cut mixing time up to 90%. Operated within 450-700 rpms will give the best rate of thorough mixing. Great for glazes, slips, plaster, and many other substances. Fits all 1/4"-3/4" power tools. Can mix 2-5 gallons with a shaft length of 20.5" and a shaft diameter of 3/8". Made from Stainless Steel.