Used to pull the harmonic balancer back on the crankshaft. Professional quality automotive tool. Thread adapter sizes: 12mm x 1.5, 14mm x 1.5, 16mm x 2.0, 7/16” x 20, 1/2” x 20, 9/16” x 18, 5/8” x 18, 3/4 x 16.
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