Profile: Keystone Industries manufactures and distributes dental products. Our products run the gamut from abrasives, carbides, chemicals, brushes, crucibles, kiln furniture, Fleck's cement, PIP paste and the Syrijet for the dental industry. Our dental abrasives & rotary products include rotary equipments, separating discs, heatless wheels, rubber wheels & points, abrasive & rotary instruments, buffs & polishing wheels, burs and mounted points & stones. The arbor chuck is designed to accommodate ¾ diameter x ¾ inch wide abrasive bands. The female section is designed for a standard 3/8 inch shaft and the arbor chucks are available for both right & left handed sides of a lathe. Our acrylic polishing sets are used for high-shine polishing of acrylic dentures & teeth. Our denture curing unit features all stainless steel construction for easy cleaning and anti-corrosion. It can be used for both boil out and curing. It also features thermostatic control for variable holding temperatures, one piece unit sealed, cures up to 4 double flask compresses denture arches and valve/spigot for easy emptying of water. Pro-line Air Vac 2000 is a pressure unit that provides adaptation for dental plastics. The unit utilizes the laboratory's or operatory's internal air compressor to provide the maximum amount of air pressure to adapt thermoplastics.