• HHR618 • Hand Hole Rims for Polygon Poles • Dimensions: 6'' x 18'' OD, 1/2'' Thick, 2-1/2'' Depth • J-Hooks - Yes • Finish - Black • Provides structural support for holes • Can be welded to existing polygon poles providing access for internal routing of transmission lines • Rims for use near the antennas include J-Hooks for supporting the transmission lines with hoisting grips • Material meets ASTM A572 GR-65 specification • Black or galvanized, welding instructions included