We want to pass on our savings to our customers, so we've lowered the price of this item. However, since our price is now below the manufacturer's suggested retail price, we are restricted by the manufacturer from showing the price right away.
This doesn't fit into the star configuration like Mulit-master blades. Its simply a bushing and a socket head screw to lock the blade into place. In a tough working place you can count on it vibrating loose and the blade rattling.