Here are dimensions for a ALEKO Sliding Gate Hardware Kit with Extension Bracket.

Here are dimensions for a ALEKO Sliding Gate Hardware Kit with Extension Bracket.
Sliding Gate Opener - AC1800 - Basic Kit
Sliding Gate Opener - AC2000 - Accessory Kit ACC4
Sliding Gate Opener - AR900 - Basic Kit
Sliding Gate Roll Hardware Kit
Galvanized Steel V Track For Sliding Gate Opener - 12 Feet
Galvanized Steel Gate Inverted V Tracks - 18 Feet
Side Roller with Bracket for Sliding Rolling Gate - 6-Inch
Sliding Gate Roll Hardware Kit
Side Roller with Bracket for Sliding Rolling Gate - 12-Inch