High quality crossarms made to fit most posts (fits our T Posts, Rolled Edge and Notched Posts, Wood Posts, and more). Featuring multiple bites and notches designed for ultimate flexibility of use. T-bites: Designed to hold trellis wire securely in place, T-bites help prevent wire movement and maintain consistent spacing along the crossarm Notches: Provide clear wire placement and alignment, helping keep wires evenly spaced and properly positioned Fits maximum width of 5' 1/2", including all the major posts we carry. U-Bolts not included. Can be found here: For T-Post: https://orchardvalleysupply.com/products/u-bolts For Wooden/Rolled Edge Notched: https://orchardvalleysupply.com/products/u-bolts-large