Made to assist in crank bolt removal and installation on For Lexus and Toyota engines. Offset breaker bar attachment point - allows easy removal and replacement of the crankshaft bolt to factory torque specifications. The hole in the middle of the tool provides access to the removal crankshaft bolt, no factory tool. Compatible with Toyota 1996 and later: 3.0 V6, 3.3 V6, 4.0 V6, 4.7 V8. also 4 cyl: 1983-1995 22RE, 1995-2004 2RZ and 1995-2004 3RZ. Compatible with Lexus 1990 and later: 3.0 L6, 3.0 V6, 3.3 V6, 4.0 V8, 4.3 V8, 4.7 V8.