Compatiblity: This internal retaining ring pliers is designed for GM 5L40, 5L50, 6L50, 6L80 and 6L90 transmissions to remove and install the large internal retaining ring and snap ring in transmission cases. Features: 1) The straight .120" diameter tips provide a secure grip on retaining rings, reducing the risk of slipping or damaging the ring or surrounding components. 2) The 26” internal retaining ring pliers provide the leverage needed to compress large retaining rings. It is long enough to catch the internal retaining ring of transmission; Total Length: 26 inches. .