Features and Benefits:

• Releases tension on serpentine belts with a spring loaded idler pulley
• Used to remove and install serpentine belts
• Fits idler pulleys requiring 13mm, 15mm, 16mm and 18mm hex or 3/8" square drive socket sizes.

Removes and installs serpentine belts. Releases tension on serpentine belts with spring loaded idler pulleys requiring a 15, 16 and 18 mm hex or 3/8 in. square drive. Provides extra coverage for most applications.