Heres another very useful wood turning accessory proudly made in America Vacuum manifold for Simple Woodturning Tools' vacuum chucks This beautiful 100% brass manifold provides a simple way to connect and control the vacuum supply to your vacuum chuck. This kit includes everything needed to connect a Harrison Specialties vacuum chuck to a vacuum pump with 1/4 NPT female threads on the intake fitting. Don't have a vacuum chuck for your lathe? Get one from us. Gauge shows vacuum in the chuck. Valve releases vacuum so parts can be removed or adjusted. All fittings are 1/4" NPT. What's in the box: 1 - Vacuum gauge with 1/4" NPT male fitting 1 - Vacuum bleed valve with 1/4" NPT female fittings 1 - Brass 4 way coupler - 1/4" NPT, 1 - Brass hose barb - 1/4" NPT x 3/8", hose barb, 1 - Brass nipple - 1/4" NPT x 2½" length, 1 - Brass close nipple - 1/4" NPT, 2 - Stainless steel hose clamps, 36" - 3/8" ID polyethylene tubing. Nothing else shown in the photos, like the vaccum pump for example, is included.