How much does this cost to the nearest dollar?

Hitachi 324973 Dust Guide Assembly C12LDH C12FDH Replacement Part
Hitachi Power Tools (Hitachi Koki USA, Ltd) offers an extensive line of professional grade power tools and accessories for woodworking, metalworking, drilling and fastening, concrete drilling and cutting, outdoor power equipment products as well as a complete line of pneumatic nailers, staplers, compressors and collated fasteners. Hitachi Koki USA, Ltd. is the North American division of Hitachi Koki Japan, a subsidiary within Hitachi Ltd. For more information on Hitachi Power Tools, please visit www.hitachipowertools.com. Hitachi Power Tools has renamed to Metabo HPT. Same great tools, with only a new name. Genuine Hitachi power tool replacement

Price is $21.00
Price: $20.81