Two tools in oneSmall end fits Ford 1986 to 1994 light trucks with Dana 44 front axleLarge end fits 1985 and newer Ford F150 - F350 trucks with the Dana 80 full floating rear axleUse with 1/2" square driveComes in the clam shell packageThis tool is uniquely designed with double-ended for both sizes of ratcheting style lock nuts. This is another quality built product by Lisle.