The Schley Products 2-Jaw Harmonic Balancer Pulley Puller, No. 17400, is designed for 4-spoke pulleys. The 17400 aids in the removal of the harmonic damper pulleys for various GM Geo and Chevrolet Spark, as well as many Nissan, Infinity, Mitsubishi, Toyota, Lexus, and Scion vehicles. The compact design easily fits into tight engine compartment spaces and allows the spring-loaded legs to quickly land on the pulley. The calculated geometry increases the pull of the leg on the pulley as it's tightened without grinding away all of the puller’s strength, the company says. The kit allows technicians to service most types of vehicles on the road.