Avoids egging of the ball joint holder and you’ll be less likely to cause damage to your paint job (scratching and chipping)Easy to use while on the trail, in the shop or on a pit truck for your race teamIt even allows for the changing of a ball joint while an arm is still installedDesigned to specifically fit ATV and UTV ball joints with ease in mindSome adapters are designed specifically for hard to install ball jointsIncludes adapters and cups to fit most ball joints.