8PC Serpentine Belt Tension Tool 1/2" 3/8" Square Universal Belt Removal Wrech
8pcs Serpentine Belt Tension Tool 3/8" Idler Pulley Wrench Crow Foot Socket Set. This kit also will work on idler pulleys requiring 15mm or 18mm Hex, and 3/8" or 1/2" Square Drives. Drive TypeSpecialty.