Standard Pole, for holding large and thick work pieces. These Bolt-on Magnetic Chucks are designed for the Sine System. With a low profile, these can be used separately as parallel chucks or with sine plate or compound sine plate. Made with permanent, ceramic magnets for superior holding power, these magnetic chucks never lose their strength. The top plate is laminated from steel and stainless steel, furnace brazed into one solid piece and precision ground. The steel bottom plate is hardened and ground. "Partial-On" for holding parts prone to distortion. Includes one end rail and one back rail plus 4 mounting bolts. Features include... Sine System 2 6" x 18" x 2-5/8" = W x L x H Standard Pole Shipped Ground Only