Includes individual wrenches: 8579, 8585, and 8591
- Sizes: Hex: 13mm or 1/2â€, 14mm, 15mm, 16mm or 5/8â€, 17mm, 18mm, 19mm or 3/4â€
- Male square drives: 3/8â€, 1/2â€, and 3/4â€
- Designed to release the tension on spring-loaded idler pulleys
- Allow direct access to the tensioner without having to remove engine accessories or frame components
- Ratcheting wheels allows quick and easy positioning of the wrench driving end to allow the user to access the tensioner from any angle
- This can be done by rotating the drive end on the wrench to match the position of the serpentine belt tensioner
- Heat treated and nickel chrome plated for durability, apperance, and long tool life
- Slim head design allows access to tight areas found in the tensioner area on somoe front wheel drive vehicles
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