Check the listing for details. Dewalt DWASHRIR 18GA Shear Attachment NEW. Condition: New. Listed at 62.00 USD. The Dewalt DWASHRIR 18GA Shear Attachment is a new addition to the metalworking equipment line, specifically designed for sheet metal shears. This high-quality attachment is compatible with the Dewalt DWASHRIR 18GA model, offering efficient and precise cutting capabilities for a variety of metalworking tasks. With this shear attachment, users can expect superior performance and durability in their metalworking projects.