With the ability to finely mix all kinds of material, this innovative ribbon design ensures an even mix and is ideal for a range of applications such as dry wall mud, paint and EIFS adhesives and coatings. Choose MARSHALLTOWN brand or wal-board tools brand. Made from high-quality plated steel, the MARSHALLTOWN ribbon mixer creates efficiency and consistently on the job working excellent at 500 to 900 rpm. The 2 in and 3 in fit a 3/8 in or larger speed drill and the 4 and 5 in fit a 1/2 in or larger speed drill. This design comes in many sizes. The wal-board tools ribbon mixers are constructed of high-quality plated steel. Choose between two sizes - 2 in or 4 in mixers. The wal-board tools professional mixer has a steel shaft, a 5-1/4 in W aluminum head and a round knob for reduced drag. Also available is the wal-board tools mud/resin mixer which features a bottom ring to protect plastic buckets from damage. It is 10-1/4 in L and 2-1/4 in W. All wal-board tools mixers are designed to be used with 1/2 in drill with a minimum of a 6 A motor and a maximum of 800 rpm.