PORTER-CABLE? PC160JT Jointer features a variable speed range of 6£¬000 to 11£¬000 RPM and cutter head speed of 12£¬000 to 22£¬000 cuts per minute£¬ allowing selection correct speed for material�Æs size and hardness. Two-knife cutter head£¬ with jackscrew knife leveling arrangement and built-in cutter head lock£¬ allows for easy knife replacement and adjustment. Jointer is ideal for edging£¬ flattening£¬ or face jointing.