If you need to clean up your edges the Oster Turbo 111 blade in size 3.5 trimmer is essential it draws the smoothest lines from temple to sideburns to the neckline. This is for men who would like to tidy up their hair between those barbershop sessions or who want to cut their hair to a consistent length at home but would like to pay attention to the details. Its also Oster which signifies high-end barbershop quality.