Features: 1.Perfect Fitment: Replacement for Coppers, replacement for Cooper R50. Perfect matching. 2.Function: Used for relieving tension on belt tensioner, long tool aids in removal and installation of serpentine belts. 3.High Quality Materials: Made of high quality metal and rubber, corrosion resistant, durable and have a long service time. 4.Ergonomic Design: Hook allows pushing, pulling and twisting belts into place in confined, hard to reach areas. 5.Simple Installation: Simple to install, no need complicated tools, convenient for using. Specification: Item Type: Serpentine Belt Tool Material: Metal+rubber Function: Used for relieving tension on belt tensioner Fitment: Replacement for Coppers Replacement for Cooper R50