Universal Serpentine Belt Tool Kit. Releases the tension on belts with spring-loaded idler pulleys. 23/ 59cm long handle with 2 extension bars create multiple working angles. Includes five 6-point sockets (13mm, 14mm, 15mm, 16mm, 18mm), three Crows Foot Wrenches (13mm, 14mm, 15mm) and 2 Male Square Sockets (3/8 & 1/2). Handle and extension also feature 13mm & 15mm 12- point and 16mm 6-point openings.