Straight knife edges and efficient cutting are the result of Challenger’s vertical-spindle, traveling-head design. The speed of the carriage is infinitely adjustable, permitting grinding of various styles of knives to your requirements. Stock can be rapidly removed, leaving a fine, precise finish. With the variable rate downfeed and rapid traverse features, fast easy loading of knives is sure to please you. The downfeed and traverse features will also operate in the manual mode by flipping the switch on the control panel.