Lisle 57560 1/2" Square Drive Socket

This tool is used to remove and install serpentine belts belt systems using the spring loaded tensioner roller Compatible with Idler Pulleys requiring 13mm, 14mm, 15mm, 16mm, 18mm, 19mm Hex and both sizes 3/8" and 1/2 Square Drive For more information see the Lisle main tool- 59800 Replacement part for Lisle tool- 59800