Introduction: Design to remove and install fan clutch and rotate or restrain the camshaft pulley. Adjust the jaw spread and the interchangeable pins. Application: Adjust from 40mm to 220mm plus the set of four pins ranging from 6mm to 16mm in diameter. Pin sizes: 5.5x 34.7mm long (2) 7.5x 34.3mm long (2) 9.7 x 35mm long (2) 15.8 x 35.10mm long (2)