How much does this cost to the nearest dollar?

WONENGDA Woodworking Tool Spiral Cutter Head and Helical Cutter Head for Dewalt Planer
☆ Helical spiral heads require less horsepower, make smaller chips and operate with far less noise than other types of cutterheads ☆ Unlike conventional single straight knives, you do not need to replace the knife if it becomes damaged or dull. Instead, if one knife edge is damaged or needs sharpening simply turn it to another edge. ☆You will only need to replace the inserts when four edges are dull, giving you more life than steel knives. ☆ When you compare to straight blade cutterheads - the cost of buying a second set of straight blades so you can get one set sharpened while the other is in the machine ☆ You will need not to remove inserts from the cutterhead before installing on the

Price is $349.00
Price: $349