Product Description 3" Vacuum Head, Vacuum Generator & Adaptor Kit M33 x 3.5mm Vacuum chucking is a very popular method of mounting bowls on the lathe for light turning and finishing without marking the surface of the work. The Holdfast Vacuum Chuck System is a new generation of Vacuum Chuck that runs off of a standard shop air compressor (minimum 2.5 fm at 55-65psi) using the V810R Vacuum Generator. The Holdfast System offers simplicity, dependability, and performance at a fraction of the price of other vacuum chuck systems. Each system comes complete with a Vacuum Generator, Adaptor Kit and a 3" Vacuum Head All you need is a standard compressor to run it.
