Mayhew„&Cent; Pneumatic Separating Form 11/16 In., 17 Mm Product Details Features & Benefits: . Black oxide finish for additional rust protection. Heavy duty alloy tool steel. .401 parker shank. Lifetime warranty. Separate ball joints and tie rods quickly and easily with a ball joint separator. The tool handles ball joints with minimal shock to the assembly so as not to damage your vehicle. The separator features a .401 parker shank.. The tool is used to wedge between linkages, knuckles, and joints quickly and easily. 31930 No -