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