(4 Lug). 1/2" square drive. For 1/2 ton vehicles with manual locking nuts. Use on front wheel bearing retaining nut on Dana 44 Series Axle used on 1959 and later GM, Ford, Dodge, and AMC. 3 3/4" long. Industrial finish. RAILROAD APPLICATIONS: Use to install or remove the point detector bushing found on WABCO-M23B switch machines.