What wrench or allen key do i use to remove the front brake caliper on a 1988 buick lesabre?

i have a couple allen keys, unsure what sizes, but they dont seem to fit right. please help.What wrench or allen key do i use to remove the front brake caliper on a 1988 buick lesabre?it takes the same as my 88 oldsmobile. mine takes a T-50 star socket.What wrench or allen key do i use to remove the front brake caliper on a 1988 buick lesabre?Ask auto parts store guy. That's free. You need a correct fit anyway and he will set you up. That's a couple bucks. When Allens or wrenches don't fit snug you can ruin things fast. That can be big bucks. Bandit says it's a T50 star. Confirm that with auto parts guy.