8” Benchtop Jointer 20-800H has a 6-row helical-style cutter head with 16 CARBIDE, 2-edge insert cutters for super cutting action, flat surfacing results, and easy knife changes. Table extensions expand the work surface from 30-1/2″ to 51-1/2″. Features rigid, all-metal construction, machined aluminum tables, a quick depth setting mechanism with scale, adjustable fence that tilts from 90° to 45° quickly and accurately, spring-loaded safety guard, 4″ & 2-1/2” dust ports, front safety on/off switch and two push blocks. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.