Expanding/Cross-Plate Anchor Rod Extension 1" (25.4 mm) Diameter Rod, 2' (609 mm) long with Tripleye and with 7/8" (22.2 mm) clevis bolt. These anchor rod extensions primarily are for making above grade connections between installed anchors and guy wires. Each rod includes high-strength bolt and nut. Hot dipped galvanized per ASTM A153.