Techs can access tight areas with the diamond-knurled body and slender adapter design of Matco's seven-piece Finger Driver Set. The set comes with six socket adapters and one finger bit driver. The socket adapter sizes include: 1/4" male to 1/4" female, 1/4" male to 1/4" hex female, 1/4" male to 3/8" female, 3/8" male to 1/4" female, 3/8" male to 1/4" hex female, and 3/8" male to 3/8" female.