The Multipurpose Square Frame Roller is supplied with 4 x 46mm Tubular Steel Bearing Rollers. The base plate is 255mm x 130mm. The Top Roller is removable for quick and easy placement of cable. Used on cable tray, cable ladder, or in any situation where multi directional cable installation is require. There are 4 x 13mm pre-drilled holes in the base plate should anchoring be required.