National Hardware 3/8" x 4" x 7" Zinc Square U Bolt is a durable and reliable fastening solution designed to secure various products to rectangular wood and metal objects. This square U bolt, catalog model No. 2192BC, is zinc plated to resist corrosion and ensure long-lasting performance. Each box pack comes with two hex nuts already assembled, along with a plate and additional hex nuts included for convenience. Crafted from steel wire with a protective zinc finish, this U bolt combines strength and durability for your fastening needs. Model Number: N222-406