Features and Benefits:�Removes harmonic balancers without tapped holes. Services V6 & V8 GM (5.3L, 5.7L 6.0L, 6.2L & 7.0L), Chrysler, Dodge & Jeep (3.5L, 3.7L, 4.7L, 5.7L & 6.1L) engines. Three “L” shape pins anchor through the spokes of the harmonic balancer. The center screw presses the tool on, creating leverage to remove the harmonic balancer without bolting directly into it saving time. For application details, visit web page on ctatools.com.Mongoose-Plusoffers industry-leading J2534 pass-thru technology enabling diagnostics, reprogramming and security functions for dealerships and the independent repair facility. This line of economical and compact pass-thru devices provides an easy-to-use interface that allows you to repair complex vehicles with OE applications in your shop.Mongoose-Plusis engineered to work with each OEM's J2534 applications for Chrysler, Ford, GM, Nissan, Toyota, & VW/Audi.