Check the listing for details. 2Pcs UNC 1/4"-20 x 60mm 304 Stainless Steel Hex Threaded Rod Coupler Nut. Condition: New. Listed at 16.24 USD. Description:Durable Material: Coupling Nuts are made of 304 stainless steel, which is strong and durable, rust-proof and corrosion-resistant, ensuring long-term use, perfect for indoor and outdoor use.Features: This hex rod coupling nut features a partial threaded design (not fully through), with each end having a thread. The hexagonal design provides a secure grip for the wrench, preventing slippage and deformation. It also serves as an isolation column, making it suitable for applications requiring spacing or insulation.Easy Installation: The coupling nut is easy to install. Simply tighten it with a wrench to assemble and connect the two parts. Be careful not to over-tighten.Wide Application: Suitable for furniture assembly, repair, and maintenance, including bookshelves, tables, and chairs.