GM-style crankshaft pulley holding tool stamped 536178, corresponding to the J-38122 / J-38122-A application family. Used to hold the crankshaft pulley while loosening or tightening related fasteners on select GM 2.2L and 2.4L inline-four applications. Verify the 536178 marking, dimensions, and application against your service information before purchase. No Kent-Moore branding is visible. Includes only what is pictured.