4-Size Ratcheting Serpentine Belt Tool 15mm x 3/8" Square Male x 16mm x 1/2" Male Square
FEATURES
Releases the tension on spring-loaded idler pulleys
Allows direct access to the tensioner without having to remove engine accessories or frame components
Ratcheting feature allows quick and easy positioning to access the tensioner from any angle
Heat-treated and nickel-chrome plated for durability, apperance, and long tool life
Slim head design for access to restricted areas